Electro-optics &Laser electronics
2021

2021

Establishment of a
CNC-based facility forspherical, aspherical andconical lens production.
Commenced production ofultrafast electro-opticalpulse picking systems.

All production units andoffices move to the own
new 7000 square meters
EKSMA Optics buildingin Vilnius.

2015

EKSMA Optics is a manufacturer of precision laser components,
used in high power lasers, laser systems and various other photonic

2014

devices and optical instruments. Rooted in laser community and with
Establishment ofdielectric coatings facility
based on Ion Beam
Sputtering technology.

more than 30 years of experience in lasers and photonic components
EKSMA Optics is your partner for enabling photonics innovations,offering fast delivery components tailored to customer applications.
This electro-optical components catalog contains products dedicatedCommenced productionof Pockels cells.

to lasers and laser systems manufacturers, integrators, innovators,

2010

and scientists. The standard catalog components are available forfast off-the-shelf delivery. We also develop and customize ourelectro-optical components tailoring the parameters of the particularlaser and its applications.
All components provided by EKSMA Optics are subject to2007

Investment into andexpansion of flat optics
production and nonlinear
crystals polishing facilities.

performance and quality testing and certification in Quality Control
laboratory. Through stringent inspection procedures, quality control
assessments and commitment to new advanced technologies, we arecontinuously improving and delivering exceptional quality.

2006

EKSMA Optics is an ISO 9001:2015 certified company.

Establishment of
EKSMA daughter company“EKSMA Optics” for opticaland laser crystal components
business activities.

1992

First-time participation
at Munich laser Fair.
EKSMA shows high pulse
energy picosecond
Nd:YAG laser.

Your Partner in Photonics Innovations!

State-owned company
privatization and
EKSMA UAB joint-stockcompany establishment.

1987

1983

Establishment ofexperimental optics andopto-mechanics
company EKSMA,a spin-off from theVilnius Physics InstitutePOCKELS CELLS

Ordering Information|
POCKELS CELLS DRIVERS|
HV POWER SUPPLIESPRICESCOMPANY DETAILS

Prices are indicated F.C.A. Vilnius, Lithuania and are exclusive ofany taxes, duties or freight. Quantity as well as research application
discounts are subject to quote. EKSMA Optics reserves the right tochange prices without prior written notice.

EKSMA Optics, UAB
Mokslininku St. 11, LT-08412 Vilnius, Lithuania
VAT No.: LT100002802516
Tel: +370 5 272 99 00; Fax: +370 5 272 92 99
info@eksmaoptics.com; www. eksmaoptics.com

PRODUCT DELIVERY TIME|
Q-SWITCHING KITS

Most of the standard products provided in catalogue are available forfast-off-the shelf delivery. Delivery time of the stock products can be
estimated on the website. Estimated product delivery time is displayedon each product page. Search in our e-shop using product code.
If delivery term is indicated as “Request”, please add the required
items to the shopping cart and choose “Get Official Quotation”. Our
sales team will contact you soon and provide the estimated delivery
time for the shopping cart.

SHIPPING|ULTRAFAST PULSE PICKING SYSTEMSEKSMA Optics works with the biggest express freight carriers (UPS, DHL,
FedEx). Other freight forwarders are available on request.
If not specified by customer, the default freight forwarder is DHL
or UPS (depending on the country). Final shipping costs are subject
to quote depending on individual order. EKSMA Optics reserves theright to change the prices without prior written notice depending on
freight forwarder's pricing. Shipping charges are prepaid and added asa separate item to the invoice.

CERTIFICATE OF ORIGIN|

All items shown in this catalogue are of Lithuanian Origin (EU).
Certificate of Origin is available under request.

LASER DIODE DRIVERS

ORDERING
Purchase orders to EKSMA Optics can be placed using our e-shop, bye-mail or by fax. Customs paperwork and fees if any applied must be
handled by customers.

|
TIMING GENERATOS|CRYSTAL OVENS

2

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

PAYMENT OPTIONSStandard payment is by wire transfer. We also accept payments bymajor credit cards using PayPal or SEB Bank money transfer systems.

WIRE TRANSFER DETAILS
Account number (IBAN)

LT16 7044 0600 0577 4220

Bank name

AB SEB Bankas

Bank address

Gedimino Ave. 12,
LT-01103 Vilnius, LITHUANIASWIFT CodeCBVILT2X

Beneficiary

EKSMA Optics UAB

Please note that customer’s bank transfer fee associated withpayment service should be paid by customer.

RETURN POLICY
30 days customer satisfaction warranty covers all standard products.
Please contact EKSMA Optics if you are not satisfied with the productto arrange a refund. EKSMA Optics does not cover any costs associatedwith shipping.

WARRANTY
All products are guaranteed to be free from defects in material andworkmanship for a period of 1 year after delivery. EKSMA Optics does
not assume liability from installation, labour or consequential damages.

POCKELS CELLS

Table of Contents

|

4
5
6
7
7

POCKELS CELL DRIVERS

8

20
21
22

Q-SWITCHING KITS

23

KD*P Pockels cell Q-switching kit – QKD
BBO Pockels cell Q-switching kit – QKB

23
24

25
26
27

28

TIMING GENERATORS

32

Timing generator for applications with lasers and laser components – TG1032

CRYSTAL OVENS

34

Temperature controller with oven – TC2 / CO1
Compact oven for nonlinear crystals – HP
Oven for nonlinear crystals – CH8

34
35
36

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

CRYSTAL OVENS28|

LASER DIODE DRIVERS
Universal laser diode driver – uniLDD

TIMING GENERATOS25|ULTRAFAST PULSE PICKING SYSTEMS
Digital synchronization and delay pulse generator – pMaster 4.2
Pulse picker – MP1
Ultrafast pulse picker – UP2

LASER DIODE DRIVERS

OEM type high voltage power supply – PS
Laboratory type high voltage power supply – HVS100
High voltage power supply – HV|

20

ULTRAFAST PULSE PICKING SYSTEMSHV POWER SUPPLIES

|

17
18
19

Q-SWITCHING KITS

8
10
12
13
14
15
16

|

Cavity dumping & pulse picking
Pockels cell drivers – DP / DPB / DP-SP
High voltage Pockels cell drivers – DPBHigh voltage Pockels cell drivers – DPBx
Low voltage Pockels cell drivers – DP
Short pulse Pockels cell drivers – DP-SP
High repetition rate Pockels cell drivers – 2DP / DPB3High voltage drivers with fast amplitude modulation – DP-FAM
High repetition rate Pockels cell driverfor Q-switching of diode pumped lasers – DQ
Pockels cells driver for Q-switching of flashlamp pumped lasers – DQF
Pockels cell and pockels cell driver selection guide

HV POWER SUPPLIESKTP/RTP Pockels cells – PCK / PCR
KD*P Pockels cells – PC / D-compact / D-mini
BBO Pockels cells – PCB
Mounting stage for Pockels cells of Ø25.4 mm – PM1
Mounting stage for Pockels cells of Ø35 mm – HPR-35|

4POCKELS CELLS DRIVERS

POCKELS CELLS

3

POCKELS CELLS|POCKELS CELLS DRIVERS

Pockels
Cells

Pockels cell is an electro-optical modulator for polarization control ofthe laser beam. The key element of the Pockels cell is an electro-opticalcrystal, which produces or changes birefringence, when high voltage isapplied to it. Induced birefringence or refractive index modification in
the material by the electric field is called electro-optic effect or Pockels
effect. Electro-optic effect is observed only in non-centrosymmetriccrystals.
Typical applications of Pockels cells are Q-switching of laser cavity,
laser cavity dumping, pulse picking, light coupling into and fromregenerative amplifier, continuous wave laser beam chopping.

|
HV POWER SUPPLIESKTP / RTP POCKELS CELL – PCK / PCR||

Lower operating voltage requiredcompared to other types of Pockels cells

ULTRAFAST PULSE PICKING SYSTEMS

Operates at high duty cycles
Very low piezo-electric resonancesStandard apertures: 4×4 and 6×6 mm

PCK/PCR series Pockels cells developed at
EKSMA Optics are based on specially grownhigh resistivity KTP or RTP crystals. The
outstanding feature is possibility to operate
KTP/RTP Pockels cells at high duty cycles oreven to keep at high voltage for longer.
KTP/RTP Pockels cells can be supplied instandard one inch housing or in open-type
OEM mount when small footprint is required.

Thermally compensated double-crystal
configuration
PCK4 / PCR4

Applications

Specifications

|

MODEL

PCK4

LASER DIODE DRIVERS

Q-switching for high repetition rate lasers
1 kHz – 6 MHz

Clear aperture, mm

Pulse picking of high repetition rate lasers

Half-wave voltage (@ 1064 nm), kV DC

PCK6

PCK6-OØ5.5

Quantity of crystals

2
< 1.8

Capacitance, pF (typical)

< 2.8

4

Optical transmission<6> 98 % at 1064 nm

Contrast ratio> 1:500|

Cell size, mm

Ø25.4×42.2

25×11.1×7.5

Ø25.4×42.2

TIMING GENERATOSSpecifications are subject to change without advance notice.

2.20

2 x M2

3

3
13.80
8.50

M2

11.1
7.20

CRYSTAL OVENS

25
18

|

2.20

7.50

PCK4-O drawing

4

PCK4-O
Ø3.5

25
18

Q-SWITCHING KITS

Featureswww.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

7.50
10.6

PCK6-O drawing

PCK4-O / PCK6-O

25×13.8×10.6

High damage threshold dielectric AR
coatings for requested wavelengths

Single-crystal based three terminal design
available upon request|ULTRAFAST PULSE PICKING SYSTEMS

Pulse picking
Laser cavity dumping

PC14x45SR

PC5S|

PC12SR

MODEL

PC20SR PC14x45SR PC12SR D-compact/12 D-compact/9 D-mini/9 D-mini/8

Clear aperture, mm

Ø 18

Ø 13

Ø 11

Ø8

Quantity of crystals

Ø7

PC10S

PC5S

9.5 × 9.5

1

2

|

< 3.4

< 1.7

6

3

Optical transmission> 97 % at 1064 nm

LIDT of AR coatings> 1 GW/cm² (10 J/cm²), 1064 nm, 10 Hz, 10 ns

Contrast ratio> 1:1000
22×18×33 18×14×25 23×16×52

25

CRYSTAL OVENS< ±1.7
< 10

|

< 3.4

Capacitance, pF (typical)

TIMING GENERATOS

λ/4 @ 1064 nm voltage,
kV DC

4

1.5

> 1:2000

Cell size, mm

PC5D

4.5 × 4.5

LASER DIODE DRIVERS

Specifications

Ø35×51

Ø35×75

Ø35×41.4

Ø25.4×39

Ø25.4×35

Ø19×25.4

Ø19×19

3

14
Ø3 5

75
34

3

9

18

HV pinrecept14.50

Specifications are subject to change without advance notice.

12

Q-SWITCHING KITS

Q-switching of flashlamp pumped highenergy and low repetition rate diodepumped lasers|

Applications

HV POWER SUPPLIES

Suitable for fs applications due to low GVD|

Operating voltage does not depend on
crystal aperture, so large apertures areavailable

PC12SR, PC20SR, D-Compact, D-Mini andthree terminal DKDP Pockels cells have
AR-coated protective windows on bothends. Windows can be flat or wedged or in
non-parallel, laser beam shift compensating
configuration to eliminate etalon effects in
the Pockels cell and laser cavity.
The rectangular shape PC5S, PC5D
and PC10S DKDP Pockels cells are provided
without protective windows and typically areused in hermetically sealed lasers.
Single-crystal based three terminal DKDP
Pockels cell series are designed especially to
be controlled by bipolar Pockels cell drivers.
Ground connector is located in the center,
positive and negative connectors are locatedon the sides.
EKSMA Optics offers wide range of
HV drivers for the Pockels cells and power
supplies for the drivers which are presented in
the next chapter of this catalogue.

POCKELS CELLS DRIVERS

Low absorption and high deuterationmaterial

KD*P (DKDP) is one of the electro-opticalcrystals used for Pockels cells. The mostpopular application of KD*P (DKDP) crystal
based Pockels cell is Q-switching of laser
cavity. DKDP Pockels cell can be used forlasers emitting in the range of 400 – 1100 nm.
High energy and short output pulse
formation during Q-switching of laser cavity
process is realized with KD*P (DKDP) Pockels
cell in the most of commercially available
flashlamp pumped Nd:YAG and Ruby lasers,
low repetition rate DPSS lasers like Nd:YAG,
Nd:KGW, Nd:YLF, Nd:Glass and other lasers.
Electro-optical KD*P (DKDP) crystals
produced by EKSMA Optics have highdamage threshold dielectric AR coatings(LIDT > 10 J/cm², 10 ns, 10 Hz, 1064 nm),feature long lifetime without degradation of
the coatings and show reliable operation withpulsed high energy lasers.

|

Features

POCKELS CELLSKD*P POCKELS CELLS – PC / D-compact / D-mini

Ø35

12

Ø13.6041.4

21-HV input

GND

2.40

Pin recepticles+HV input

Ceramic aperture

PC12SR drawing

PC14x45SR drawing

PC5S drawing

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

5

POCKELS CELLSBBO POCKELS CELLS – PCB|

Features

POCKELS CELLS DRIVERS|
HV POWER SUPPLIESBBO Pockels cells are transverse field devices.
Low electro-optical coefficient of BBO resultsin higher operating voltages. The operating
voltage is proportional to the ratio ofelectrode spacing and crystal length. Double
crystal design is employed to reduce required
voltages and to allow operation in half-wave
mode with fast switching times.
Low piezoelectric ringing makes these
Pockels cells attractive for the control ofhigh-power and high pulse repetition rate

Minimal piezoelectric ringing
Very low absorption and suitability forhigh power laser applications
Reliable design for operation up to 3 MHz
HV pulse repetition rate
Broad transmission rate from 200 to2000 nmlasers. Fast switching electronic drivers
properly matched to the cell are available
for Q-switching, cavity dumping and otherapplications.
Quatro BBO Pockels cell employs
quadruple crystal design with anindependent control of two sides, meaning
this Pockels cell can be controlled by two
synchronized sets of Pockels cell drivers
enabling advanced polarization control.

Pockels cell with active cooling available
upon request|
Q-SWITCHING KITS

Applications
High repetition rate Q-switching
Pulse picking at up to 3 MHz rate
Laser cavity dumping|

Specifications|

Capacitance, pF (typical)

LASER DIODE DRIVERSULTRAFAST PULSE PICKING SYSTEMS

Pulses coupling into and fromregenerative amplifier
PCB4D

MODEL

PCB3S

Clear aperture diameter, mm

PCB4Q

PCB3D

PCB4S

2.5

Quantity of crystals
λ/4 voltage (@ 1064 nm), kV DC

PCB4D

PCB6.3D

PCB6.3S

3.5

PCB6.3D

PCB4Q

5.8

3.5

1

2

1

2

1

2

4

< 3.5

< 1.8

< 4.6

< 2.3

< 7.5

< 3.8

2 × < 1.3

4

6

3

6

6

<8

2×<6

Optical transmission> 98 % at 1064 nm> 0.5 GW/cm2 (5 J/cm2), 1064 nm, 10 Hz, 10 ns

LIDT of AR coatings
Contrast ratio> 1:1000> 1:500> 1:1000> 1:500> 1:1000> 1:500> 1:500

Dimensions, mm

Ø25.4×37.2

Ø25.4×57.2

Ø25.4×37.2

Ø25.4×57.2

Ø25.4×42.2

Ø35×68

Ø25.4×112

Specifications are subject to changes without advance notice.

|
14.1

HV input

14.1

25.35

20.2
Ø35

10.7

Ø25.4

HV input

112

17.6

12

TIMING GENERATOS

57.2|
CRYSTAL OVENS

668

HV input

PCB3D, PCB4D drawing

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

PB4Q drawing

20

PCB6.3D drawing

POCKELS CELLSMOUNTING STAGE FOR POCKELS CELLS OF Ø25.4 mm – PM1
64
12
6

|

50

Specifications±3.5

Rotation along Z-axis, deg

180

Adjustment screw thread

M6×0.25

Screw sensitivity, µm

HV POWER SUPPLIES

PM1

for M4 screw
Lock screws,
hex key 2.0

|

MODEL
Adjusting angles, tilt and tip, deg

Ultra-fine lockableadjustment screws,
hex key 3.2

2 x M6

Ø22

Ø25.4

25

Max 16

POCKELS CELLS DRIVERS

PM1 series mounting stage is designed for holding
and positioning of Ø25.4 mm Pockels cells. The
mount has ultra-fine thread lockable adjustment
screws.

0.5|
Q-SWITCHING KITS|

Adjusting angle along X and Y axis, deg

9Rotating angle along Z-axis, deg

20

Beam height above breadboard, mm

50

15

for M6 screw
2 clearance slots

25
10

Lock screws,
hex key 1.5

1.5|
TIMING GENERATOS

Screw sensitivity, µm

M6×0.5

71

50

Adjustment screw thread35

HPR-3565

MODEL

LASER DIODE DRIVERS

Specifications|

2 x M640

75
50

HPR series mounting stage is designed for holding
and positioning of Ø35 mm Pockels cells. HPRstages with fine or ultra-fine screws are available
upon request.

ULTRAFAST PULSE PICKING SYSTEMSMOUNTING STAGE FOR POCKELS CELLS OF Ø35 mm – HPR-35|
CRYSTAL OVENSRev. 20211007 • Visit www.eksmaoptics.com for new products and prices

7

POCKELS CELLS|POCKELS CELLS DRIVERS

Pockels Cells
Drivers

OEM version of DP-SP
series Pockels cell driver|
HV POWER SUPPLIES

Encased version of DPB2
series Pockels cell driver|
Q-SWITCHING KITS|ULTRAFAST PULSE PICKING SYSTEMSCAVITY DUMPING & PULSE PICKING POCKELS CELL DRIVERS – DP / DPB / DP-SP

Features
HV rise/fall time down to 6 ns
HV pulse amplitude up to 9.8 kV
Pulse repetition rate up to 6 MHz|
LASER DIODE DRIVERS

Output pulse jitter <60 ps if trigger pulse
rise time <0.5 ns|
TIMING GENERATOS

Pockels cell drivers are designed for a wide
range of applications and operating modes –pulse selection, Q switching, cavity dumping,
CW beam chopping, burst modes, etc.
Different versions of the drivers aredesigned for variations of output voltage,
repetition rate and rise/fall time of HV
pulses. Those three parameters are mutuallydependent: higher voltage means longer
rise/fall time, and higher repetition rate islimited by output voltage.
Pockels cell drivers are available in two
versions: “open frame” which is ideal for
OEM manufacturers incorporating drivers
in their own laser systems, or “encased” inaluminum housings. Encasing of Pockels celldriver in aluminum housing helps to solve
two problems: shields both humans andelectronics from high voltage impact fromoperating Pockels cell driver, and protects
driver itself from accidental potentiallyharmful external contact – ensuring safe

operation of the driver. The encased option isespecially handy for researchers and custom
product manufacturers who use these drivers
during their own systems build-up.
DP/DPBx series Pockels cell drivers
operate safely with HV pulse duration from
100 ns to 5 μs. Moreover, HV pulse duration
can be extended to infinity using pulse
regeneration technique.
Short pulse drivers (DP-SP series) feature
safe operation with HV pulse duration from
15 ns to ~1 μs. However, pulse regeneration
technique does not work with short pulse
drivers.
Operation control of all our drivers can bemade by two trigger (sync) pulses (Fig. 1) orby single trigger pulse (Fig. 2), whereas risingedge of trigger pulse turns ON high voltage
to Pockels cell and falling edge of the same
trigger pulse turns high voltage OFF. Drivers
have switchable option to be controlled by
one or two trigger pulses.

|
CRYSTAL OVENS

Fig. 1. Control timing charts
using two pulses trigger control

Pulse regeneration technique
Gives possibility to extend HV pulse duration.
Pulse regeneration technique does notwork with DP-SP or DPB series drivers. Pulse
regeneration technique diagram is shown in
Fig. 3.

τ₁ ≤ 5 µs

120 ns ≤ τ₂ ≤ 5 µs

Trigger 1
Trigger 2
PC

Fig. 2. Control timing charts
using single pulse trigger control
8

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

Fig 3. Principle pulse regeneration diagram

t4

t1

|

DP/DPBx

DP-SP

DPB

100 ns

15 ns

30 ns

Maximal HV operation voltage

up to 7.2 kV

up to 3.6 kV

up to 9.8 kVMaximal HV pulse repetition rate

6 MHz

600 kHzHV pulse duration extension using pulse regeneration techniqueYes

3.5 – 5 V (50 Ω)≤ 10 ns≤ 5 nsMaximal length of leads to Pockels cell

≤ 20 ns

10 cm
25 ns

30 ns

Specifications are given for Pockels cells with capacity < 6 pF. Not all combinations of parameters are possible at the same time. Specifications are subject to change without advance notice.

ULTRAFAST PULSE PICKING SYSTEMS≥20 nsTriggering pulse amplitude requirement

HV pulse delay|

Triggering pulse duration requirement(For two-pulses triggering mode only)
Triggering pulse rise & fall time requirement

10 kHzNo

Q-SWITCHING KITS

DRIVER SERIES
Minimal HV pulse duration (FWHM)

HV POWER SUPPLIESGeneral specifications of Pockels cell drivers|

t1 – pulse repetition period in burst, should be 1/t1 ≤ 3 MHz.
t2 – burst duration.
t3 – burst packet repetition period.
t4 – minimal pause between two HV pulses, should be ≥ 150 ns for most of the drivers.
Duty cycle is determined as D = t2/t3, should be D ≤ F * t1.
Here F – maximal repetition rate specified for the driver.

POCKELS CELLS DRIVERS

Peak power capacity of HV power supply
must be increased for burst operation.
Contact EKSMA Optics for details andsuggestions.

t3
t2

|

Certain laser applications, such as lasermaterial processing, optical metrology andothers require for relatively short sequence ofhigh repetition rate of pulses with following
pause, i.e. burst mode. All the EKSMA Optics
Pockels cell drivers series DP/DPBx, DP-SP
and DPB can operate up to 3 MHz bursts by
reducing duty cycle and preserving below
requirements.

POCKELS CELLS

Burst mode operation|
LASER DIODE DRIVERS|

Fig. 6. Typical rising edge of output pulse

Fig. 7. Typical falling edge of output pulse

TIMING GENERATOS

Fig. 5. Typical output pulse shape|

Please provide following information about
the driver:
Operating voltage
Repetition rate
HV Pulse duration (range)
Capacitance of Pockels cell

DP-50-3.6-Al
Model nameMax repetition rateof HV pulse, kHz

CRYSTAL OVENS

Ordering / Part number information

Al – Encased version
None – OEM version
Max operating
voltage, kVOEM or Encased version
Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

9

POCKELS CELLSHIGH VOLTAGE POCKELS CELL DRIVERS – DPB|
POCKELS CELLS DRIVERS

Features
HV pulse amplitude up to 9.8 kV
HV pulse amplitude doubling layout
Repetition rate up to 10 kHz
Easy integration with HV power supply
Easy mounting on optical breadboard|
HV POWER SUPPLIESOEM version of DPB series Pockels cell drivermounted with HV power supply

Encased version of DPB series Pockels celldriver with HV power supply mounted inside|
Q-SWITCHING KITS

Configuration samples of DPB series drivers
CATALOGUE NUMBER OF DRIVER|

Maximal HV operation voltage

DPB-10-4.2
DPB-10-4.2-AI

DPB-5-5.5
DPB-5-5.5-AI

4.2 kV

5.5 kVULTRAFAST PULSE PICKING SYSTEMS

Output polarity

DPB-3-8.6
DPB-3-8.6-AI

DPB-2.5-9.8
DPB-2.5-9.8-AI

8.5 kV

9.8 kVbipolar

HV pulse rise time, typical

6 ns

7 ns

10.5 ns

12 ns

HV pulse fall time, typical

6 ns

7 ns

9.5 ns10.5 ns

5 kHz

3 kHz

HV pulse duration

30…3000 ns

Maximal HV pulse repetition rate

35…2000 ns

10 kHzHV pulse delay

2.5 kHz

30 ns

Requirement for external triggering pulse amplitude

3.5…5 V (50 Ω load)

Requirement for external triggering pulse rise time

< 5 nsRequirement for external triggering pulse duration

See Fig. 8 for control by 1 pulse, see Fig. 9 for control by 2 pulses

External powering requirements:|

Low voltage DC supply

15 – 25 V, 150 mA (0.5 A inrush current)

LASER DIODE DRIVERS

HV power supply

2.1 kV, 5 W

2.8 kV, 5W

DC Connectors

23…25 V, 150 mA
4.4 kV, 5W

5.0 kV, 5W

Molex Micro-Fit 3.0

Dimensions (L x W x H):
Driver board

135 × 65 × 30 mm

135 × 75 × 30 mm

Driver board mounted with PS-5 power supply

See Fig. 10

See Fig. 11

Encased driver with PS-5 power supply mounted inside

See Fig. 12

See Fig. 13|
TIMING GENERATOSPower consumption for 6 pF load. Voltage or repetition rate derating is necessary if capacitance of your Pockels cell is higher. Contact vendor for details.

t ≥ 30 ns

OUT 1|
CRYSTAL OVENSSYNC in

OUT 1
GND
OUT 2

SYNC in 2
SYNC in 1

SYNC in 2

OUT 2

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

OUT 2

t ≥ 20 ns
t ≥ 20 ns

OUT 1

OUT 1
GND

Pockels’ Cell

Fig. 8. Diagram of pockels cell connection to driver and timing chartsof driver controlled by 1 sync pulse

10

SYNC in 1

SYNC in

Pockels’ Cell
OUT 2Fig. 9. Diagram of pockels cell connection to driver and timing chartsof driver controlled by 2 sync pulses

POCKELS CELLS

151

71

11

16
143

17

17

13

20.7

16

6.4

59

Ø4.6

143
151

143

HV POWER SUPPLIES

52

|

7

151

POCKELS CELLS DRIVERS

86

|

35

135

|

Fig. 11. Outline drawing of OEM version DPB-3 and DPB-2.5 drivers
with PS-5 power supply

152

80.5

10

35.5

53.5

24
6.5

72
50.4

25.2

75
50.4

6.5

25.2

27

20.75

52.5

65.5
48

10

8

8

24

ULTRAFAST PULSE PICKING SYSTEMS

21.75

40

152
24

|

25.6

60.5

22.6

Q-SWITCHING KITS

Fig. 10. Outline drawing of OEM version DPB-10 and DPB-5 drivers
with PS-5 power supply

192

Fig. 12. Outline drawing of encased version DPB-10 and DPB-5 drivers
with PS-5 power supply

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

113

Fig. 13. Outline drawing of encased version DPB-3 and DPB-2.5 drivers
with PS-5 power supply

LASER DIODE DRIVERS

3

|

176.4

176.4
192

|
TIMING GENERATOS|CRYSTAL OVENSPOCKELS CELLSHIGH VOLTAGE POCKELS CELL DRIVERS – DPBx|
POCKELS CELLS DRIVERS

Features
HV pulse amplitude up to 7.2 kV
Repetition rate up to 500 kHz
HV pulse duration extension using pulse
regeneration technique
OEM version available upon request|
HV POWER SUPPLIES

Encased version of DPB2 series Pockels cell driver|
Q-SWITCHING KITS

Configuration samples of DPBx series drivers|
ULTRAFAST PULSE PICKING SYSTEMS

DPB1-350-4-Al

DPB1-300-4.6-Al

DPB1-250-5.2-Al

DPB2-250-7.0-Al

Maximal HV operating voltage

CATALOGUE NUMBER OF DRIVER

4.0 kV

4.6 kV

5.2 kV

7.0 kV

7.2 kV

Maximal HV repetition rate

350 kHz300 kHz250 kHz250 kHz500 kHzHV pulse rise time, typical< 7.5 ns

< 8 ns< 8.5 ns

< 9.5 ns

< 10 ns

HV pulse fall time, typical< 7.5 ns

< 8 ns< 8.5 ns

< 9.5 ns

< 10 ns

HV power consumption< 100 W

< 100 W

< 100 W

< 200 W

< 375 W

24 V power consumption

<5W

<4W

<3W

<9W

Pulse duration

DPB3-500-7.2-Al

100 – 5000 ns

Output polarity

BipolarRecommended HV power supply model<7W

PS2-60 or HVS100-2x60

HV-2x200

See Fig. 14

Dimensions
Cooling

See Fig. 15

See Fig. 19

Water

Driver needs to be mounted on heatsink unless it is cooled by water. Driver's base plate temperature needs to be lower than 35 °C in all regimes of operation.
Power consumption for 6 pF load. Voltage or repetition rate derating is necessary if capacitance of your Pockels cell is higher. Contact vendor for details.

|
3

69

47

51

Ø6

Ø4.5 (x4)7458

TIMING GENERATOS

137
Ø4.5

62

|

145
135

48.5

LASER DIODE DRIVERS

158|
CRYSTAL OVENS

12

148
176

Fig. 14. Outline drawing of encased version DPB1 series Pockels celldriverswww.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

Fig. 15. Outline drawing of encased version DPB2 series Pockels celldrivers

POCKELS CELLSLOW VOLTAGE POCKELS CELL DRIVERS – DP|

Features

POCKELS CELLS DRIVERS

HV pulse amplitude up to 3.6 kV
Repetition rate up to 2 MHz
HV pulse duration extension using pulse
regeneration technique|

Alternative aluminum case option
featuring conductive cooling possibility
and relocated water and HV output
connectors

HV POWER SUPPLIESStandard of DP/DP-SP series Pockels cell driver

OEM version available upon request|

CATALOGUE NUMBER OF DRIVER

DP-500-2.6-Al

DP-1000-1.8-Al

3.6 kV

2.6 kV

1.8 kV

1.5 kV

Maximal HV repetition rate

50 kHz250 kHz500 kHz

1000 kHz

2000 kHzHV pulse rise time, typical< 7 ns< 7 ns< 6.5 ns

< 6 ns< 7 ns

HV pulse fall time, typical< 7 ns< 7 ns< 6.5 ns

< 6 ns< 7 ns< 120 W

Pulse duration

DP-2000-1.5-Al

100 – 5000 ns

Output polarity

Positive

HV power consumption< 20 W< 75 W< 90 W< 80 W

24 V power consumption

<1W

<4W

<6W

<9W

< 12 W

PS-40 or HVS100-40

PS-80 or HVS100-80

PS-120 or HVS100-120

PS-80 or HVS100-80

PS-120 or HVS-120

Recommended HV power supply modelStandard - see Fig. 16, alternative – see Fig. 17 1)

Dimensions
Cooling

Water 2)

1) If alternative aluminum case is required, please add note “option 1” when ordering, for e.g., “Pockels cell driver DP-250-3.6-Al option 1”.
2) Standard aluminum case is suitable for water cooling. Alternative aluminum case (option 1) is suitable for both, conductive and water cooling.

3
3
50

Ø3.4

LASER DIODE DRIVERS

114
98.5

|

Driver needs to be mounted on heatsink unless it is cooled by water. Driver's base plate temperature needs to be lower than 35 °C in all regimes of operation. Power consumption for 6 pF load.
Voltage or repetition rate derating is necessary if capacitance of your Pockels cell is higher. Contact vendor for details.

ULTRAFAST PULSE PICKING SYSTEMS

DP-250-3.6-Al

3.6 kV|

DP-50-3.6-Al

Maximal HV operating voltage

Q-SWITCHING KITS

Configuration samples of DP series drivers

68

116

66

41

TIMING GENERATOS

73

|

105

Fig. 16. Outline drawing of standard encased version DP/DP-SP series Pockels cell drivers

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

CRYSTAL OVENS

27

|

10.5

13

POCKELS CELLSSHORT PULSE POCKELS CELL DRIVERS – DP-SP|
POCKELS CELLS DRIVERS

Features
LED for error indication (overheat andshort circuit)

HV pulse amplitude up to 3.6 kV
Repetition rate up to 1 MHz

Alternative aluminum case option
featuring conductive cooling possibility
and relocated water and HV output
connectors

HV pulse duration down to 15 ns
Short circuit protection at driver output|

Driver pad overheat sensor stops
operation when overheated

HV POWER SUPPLIESOEM version available upon request

Overheat optocoupled output signal

Configuration samples of DP-SP series drivers|

CATALOGUE NUMBER OF DRIVER

DP-SP-50-3.6-Al

DP-SP-250-3.6-Al

DP-SP-500-2.6-AI

DP-SP-1000-1.8-AI

Q-SWITCHING KITS

Maximal/minimal HV operating voltage

3.6 kV / 1.8 kV

3.6 kV / 1.8 kV

2.6 kV / 1.3 kV

1.8 kV / 0.9 kV

50 kHz250 kHz500 kHz

1000 kHz

15 – 5000 ns

15 – 1250 ns

15 – 500 ns

15 – 250 ns

Maximal HV repetition rate
Pulse duration
HV pulse rise time, typical< 7 ns< 7 ns< 6.5 ns

< 6 ns

HV pulse fall time, typical< 7 ns< 7 ns< 6.5 ns

< 6 ns|

Output polarity

ULTRAFAST PULSE PICKING SYSTEMSHV power consumption< 20 W< 75 W< 90 W< 80 W

12 V / 24 V power consumption

1W

4W

<6W

9W

PS-40 or HVS100-40

PS-80 or HVS100-80

PS-120 or HVS100-120

PS-80 or HVS100-80

Positive

Recommended HV power supply modelStandard - see Fig. 16, alternative – see Fig. 17 1)

Dimensions
Cooling

Water 2)

1) If alternative aluminum case is required, please add note “option 1” when ordering, for e.g., “Pockels cell driver DP-SP-250-3.6-Al option 1”.
2) Standard aluminum case is suitable for water cooling. Alternative aluminum case (option 1) is suitable for both, conductive and water cooling.

Driver needs to be mounted on heatsink unless it is cooled by water. Driver's base plate temperature needs to be lower than 35 °C in all regimes of operation. Power consumption for 6 pF load.
Voltage or repetition rate derating is necessary if capacitance of your Pockels cell is higher. Contact vendor for details.

|

32
42

Ø4
5

32

57

45

TIMING GENERATOS

30|

Ø3.4 (x4)68

LASER DIODE DRIVERS

36.5

4

CRYSTAL OVENS

10

|

88
99
116

Fig. 17. Outline drawing of alternative encased version DP/DP-SP series
Pockels cell drivers with relocated water and HV output connectors(option 1)

14

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

POCKELS CELLSHIGH REPETITION RATE POCKELS CELL DRIVERS – 2DP / DPB3|

Features

POCKELS CELLS DRIVERS

HV pulse amplitude up to 3.1 kV
Repetition rate up to 6 MHz
HV pulse duration down to <1 ns
HV pulse duration extension using pulse
regeneration technique|

OEM version available upon request

HV POWER SUPPLIES

2DP-10002.4-Al

2DP-20001.6-Al

DPB3-25003.1-Al

DPB3-30002.6-Al

2DPB3-40001.7-Al

2DPB3-60001.3-Al

1.6 kV

3.1 kV

2.6 kV

1.7 kV

1.3 kV

1000 kHz

2000 kHz

2500 kHz

3000 kHz

4000 kHz

6000 kHz

Pulse duration0 – 5000 ns

100 – 5000 ns

0 – 5000 ns

HV pulse rise time, typical< 6.5 ns

< 6 ns< 9.5 ns

< 8.5 ns

< 10.5 ns

HV fall rise time, typical< 6.5 ns

< 6 ns< 9.5 ns

< 8.5 ns

< 10.5 ns

Output polarity

Positive

Bipolar< 8.5 ns
< 8.5 ns
Positive

HV power consumption< 160 W

< 160 W

< 360 W

< 325 W

< 360 W

24 V power consumption< 14 W< 18 W< 10 W< 10 W<6W

Recommended HV power supply model

HV-200 or HVS100-2x120

HV-2x200< 330 W
< 10 W
HV-400See Fig. 18

Dimensions

ULTRAFAST PULSE PICKING SYSTEMS

2.4 kV

Maximal HV repetition rate|

Maximal HV operating voltage

See Fig. 19

Cooling

Q-SWITCHING KITS

CATALOGUE NUMBER OF DRIVER|

Encased version of DPB3 series
Pockels cell driver

Water

|

210

Ø3.4

Ø6

202

97.6
50

83.5

67.8

82

TIMING GENERATOS

98

72

|

60

A

48.5
64.3

0
12.7
22.8

3

3

110

83
50

86.5

80.5
25

CRYSTAL OVENS

179

|

220

A

50

LASER DIODE DRIVERS

Driver needs to be mounted on heatsink unless it is cooled by water. Driver's base plate temperature needs to be lower than 35 °C in all regimes of operation. Power consumption for 6 pF load.
Voltage or repetition rate derating is necessary if capacitance of your Pockels cell is higher. Contact vendor for details.

Fig. 18. Outline drawing of encased version
2DP series Pockels cell drivers

48.7
62.6
75.1

0
8.5
20.4

22

200

Fig. 19. Outline drawing of encased version
2DPB3/DPB3 series Pockels cell driverRev. 20211007 • Visit www.eksmaoptics.com for new products and prices

15

POCKELS CELLSHIGH VOLTAGE DRIVERS WITH FAST AMPLITUDE MODULATION – DP-FAM|
POCKELS CELLS DRIVERS

Features

DP-FAM series drivers allow to control theamplitude of each HV output pulse withspecific user-defined amplitude levels.
The control is realized by one or two
trigger-sync pulses and analog signal for
amplitude modulation (HV program).

HV pulse repetition rate up to 500 kHz
Fast amplitude modulation of HV pulses
Output HV pulse amplitude ranges from
0.1 kV to 2.5 kV|
HV POWER SUPPLIESConfiguration samples of DP-FAM series encased drivers
CATALOGUE NUMBER OF DRIVER

DP-FAM-250-2.5-Al

HV operation voltage range

DP-FAM-500-2.5-Al

0.1 - 2.5 kV

HV program input signal range

0.1 - 4.9 V|

Maximal HV repetition rate

Q-SWITCHING KITS

HV pulse duration

250 kHz500 kHz70 – 3000 ns

70 – 1000 ns< 26 ns

HV pulse rise time, typical 1)
HV fall time, typical 1)< 13 ns

Output polarity

positive|

External trigger pulse
requirements

Amplitude on 50 Ω

3.5 – 5 V

Rise/fall time< 10 ns

ULTRAFAST PULSE PICKING SYSTEMSHV power consumption

60 W

120 W

24 VDC power consumption
Recommended HV power supply model

DP-FAM Pockels cell driver<12 W
PS-80-2.6 (OEM type)
HVS100-80-2.6 (lab type)

PS-120-2.6 (OEM type)
HVS100-120-2.6 (lab type)

Dimensions

139 × 69 × 57 mm (Fig. 20)

Cooling 2)

conductive or water

Example of driver operation.
Green trace – modulated analog input signal, purple trace –trigger signal SYNC (single pulse control mode), yellow
trace – HV pulse.

CAN

Control interface 3)1) All specifications are given for 6 pF Pockels cell load.
2) Heat sink temperature must not exceed 35 °C (95 °F) in all regimes of operation.
2) Requires USB-CAN converter for computer control that is sold separately.

|
|

8

Ø6

53

57

LASER DIODE DRIVERS

SYNC1

69

100

5
Ø4.5 (x4)SYNC

CRYSTAL OVENS54|

HV program(modulation)

HV output

139

Operation timing charts.
SYNC1 and SYNC2 are used for 2-pulses control operation mode. HV program input amplitude
is readout at SYNC2 rising edge and is used to set HV output amplitude for next HV output
pulse which is started with SYNC1 rising edge. SYNC is used for single pulse control mode.
HV program input amplitude is readout at SYNC falling edge and is used to set HV output
amplitude for next HV output pulse which is started with SYNC rising edge.

16

111

35

TIMING GENERATOSSYNC2

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

Fig. 20. Outline drawing of DP-FAM series drivers.

POCKELS CELLSHIGH REPETITION RATE POCKELS CELL DRIVER
FOR Q-SWITCHING OF DIODE PUMPED LASERS – DQ

Fast HV rise time <7 ns for 4 kV pulse
HV pulse amplitude up to 4 kV|
HV POWER SUPPLIES

is not required. For high repetition rates thedriver should be attached to the heatsink
with thermal resistance of at least 0.4 °C/W forroom temperature (25 °C) operation.
The driver should be mounted into
dielectric box (not provided) providing
electrical insulation. Low voltage power
supply is required to internal triggering
circuit, while tuning of HV power supply
voltage.

POCKELS CELLS DRIVERS

Pulse repetition rate up to 100 kHz

DQ series high repetition rate Pockels celldriver has been designed for use in modelocked lasers for cavity dumping or for cavity
Q-switching of solid-state nanosecond lasers.
Fast HV edge ensures excellent pre- and postpulse contrast.
Ability to operate at high pulse repetition
rates makes this driver perfect fit for mostof diode-pumped nanosecond lasers. For
pulse repetition rates up to 10 kHz heatsink|

Features|

4.0 kV

Polarity

Positive< 7 ns

HV pulse fall time

~2 μs 1)

HV pulse duration

180 ns 1)

Maximum HV pulse repetition rate

100 kHzHV pulse jitter< 0.5 ns

External triggering pulse duration requirement

100 – 1000 ns

External triggering pulse amplitude requirement

3 – 5 V (50 Ω)External triggering pulse rise & fall time< 10 ns

HV pulse delay

35 – 40 ns|

External powering requirements:
0 – 4.0 kV, 9 mA max 2)
9 – 24 V, 500 mA max 2)

Operating temperature0 – 35 °C 3)1) Typical value.

3) Heat sink temperature must not exceed 35 °C (95 °F) in all2) Test conditions: PRR = 100 kHz, C = 6 pF, U = 4 kV.

regimes of operation.

|

Fast edge of HV pulse in detail104 × 52 × 25 mm

TIMING GENERATOS

high voltage supply
low voltage DC supply
Size

LASER DIODE DRIVERS

HV pulse rise time|

Oscillogram of DQ-100-4 driver operation

DQ-100-4

ULTRAFAST PULSE PICKING SYSTEMSCATALOGUE NUMBER
Maximum high voltage (HV) pulse amplitude|

Specifications

Q-SWITCHING KITS

DQ series Pockels
cell driver

CRYSTAL OVENSRev. 20211007 • Visit www.eksmaoptics.com for new products and prices

17

POCKELS CELLSPOCKELS CELLS DRIVER
FOR Q-SWITCHING OF FLASHLAMP PUMPED LASERS – DQF|
POCKELS CELLS DRIVERS

Driver DQF-0.1-8D is integrated with ±4 kV HVpower supply. High voltage can be controlledeither by onboard trimmer potentiometeror by using CAN interface. Control by CAN
requires USB-CAN converter for computer
control that is sold separately.

DQF-0.2-5 Pockels cell driver

DQF-0.1-8 Pockels cell driver with integrated
HV Power supply|

DQF drivers are designed for Q-switchingof nanosecond lasers without use of phaseretardation plate. High voltage is applied
to Pockels cell in order to inhibit oscillation.
Pockels cell is opened by negative polarity
pulse allowing laser to radiate.

HV POWER SUPPLIES|Q-SWITCHING KITS|ULTRAFAST PULSE PICKING SYSTEMS

Specifications
CATALOGUE NUMBER
Maximum high voltage to cell (HV)
pulse amplitude (U1 + U2)
U1 value

DQF-0.1-8D

5 kV

8 kV

equal to HV powering voltage

U2 valueequal to 0.25×U1

HV pulse fall time (a)< 15 ns< 12 ns

HV pulse rise time, typical (b)60 μs

120 μs

HV pulse duration, typical (c)300 μs (1200 μs optionally)

650 μs≤ 250 Hz≤ 100 HzHV pulse repetition rate|
LASER DIODE DRIVERS|
TIMING GENERATOS

HV pulse delay (d)

40 ns

25 ns

External triggering pulse duration

100 – 1200 μs

120 – 650 μs

External triggering pulse amplitude

3 – 5 V (50 Ω)

3.5 – 5 V (50 Ω)External triggering pulse rise & fall time

Timing diagram of DQF driver

Board dimensions 1)< 20 ns
92 × 70 × 22 mm

Mounting holes location for M3 studs

92 × 70 × 27 mm
84 × 62 mm

External powering requirements:
DC supply

12 – 24 V, max 200 mA

12 V, max 15 mA

HV supply

4 kV, 1 mA

integrated in the driver

1) Keep safety distance at least 5 mm from any side of board or any component to surrounding conductive parts.

|
CRYSTAL OVENS18

DQF-0.2-5D

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

POCKELS CELLSPOCKELS CELL AND POCKELS CELL DRIVER SELECTION GUIDE
Suggested Configuration samples. Please contact our sales engineers for a complete solution tailored to your application.

|

Max repetition
rate, kHzØ CA, mm

BBO

1000

2.5

BBO

500

3.5

Material

DKDP

10

Phase
retardation

HV pulse
duration

Driver

HV Power supply

PCB3S

DP-1000-1.8-Al

PS-80-1.8 or HVS100-80-1.8

PCB4S

DP-500-2.6-Al

PS-120-2.6 or HVS100-120-2.6

30 – 3000 ns

PC12SR or
D-compact/12

DPB-10-4.2

PS-5-2.1

100 – 5000 ns
λ/4

11

|

Pockels cell

2000

5.5

λ/2

0 – 5000 ns

PCK6 / PCR6

2DP-2000-1.6-Al

HV-200-1.6 or HVS100-2x120-1.6

500

3.5

0 – λ/2

70 – 1000 ns

PCB4D

DP-FAM-500-2.5-AI

PS-120-2.6 or HVS100-120-2.6

DKDP

5

11

λ/2

30 – 3000 ns

PC12SR or
D-compact/12

DPB-5-5.6

PS-5-2.8

HV pulse
duration

Pockels cell

Driver

HV Power supply|

For operation at 780 – 800 nm wavelength
BBO

6000

2.5

0 – 5000 ns

PCB3D/25

2DPB3-6000-1.3-Al

HV-400-1.5

BBO

1000

5.8

100 – 5000 ns

PCB6.3D

DPB1-1000-2.9-Al

PS2-60-1.6 or HVS100-2x60-1.6

DKDP

10

11

30 – 3000 ns

PC12SR or
D-compact/12

DPB-10-4.2

PS-5-2.1

λ/4

1000

5.5

λ/2

0 – 5000 ns

PCK6 / PCR6

2DP-1000-2.4-Al

HV-200-2.4

500

5.5

0 – λ/2

70 – 1000 ns

PCK6 / PCR6

DP-FAM-500-2.5-AI

PS-120-2.6 or HVS100-120-2.6

DKDP

3

11

λ/2

35 – 2000 ns

PC12SR or
D-compact/12

DPB-3-8.6

PS-5-4.4

HV Power supply

For operation at 1030 – 1064 nm wavelengthØ CA, mm

KTP / RTP

4000

BBO
DKDP

HV pulse
duration

Pockels cell

Driver

5.5

0 – 5000 ns

PCK6 / PCR6

2DPB3-4000-1.7-Al

HV-400-2.0

600

3.5

15 – 400 ns

PCB4D

DP-SP-600-2.5-Al

PS-120-2.6 or HVS100-120-2.6

5

11

30 – 3000 ns

PC12SR-1/1,
D-compact/12

DPB-5-5.6

PS-5-2.8

PCK6 / PCR6

DPB1-1000-2.9-Al

PS2-60-1.4 or HVS100-2x60-1.4

PCB4D

DPB1-300-4.6-Al

PS2-60-2.6 or HVS100-2x60-2.6

PC12SR-1/1,
D-compact/12

DPB-2.5-9.8

PS-5-5.0

KTP / RTP

1000

5.5

BBO

300

3.5

DKDP

2.5

Phase
retardation
λ/4

100 – 5000 ns
λ/2

11

35 – 2000 ns

LASER DIODE DRIVERS

Max repetition
rate, kHz|

Material

ULTRAFAST PULSE PICKING SYSTEMSKTP / RTP
KTP / RTP|Ø CA, mm

Q-SWITCHING KITS

Max repetition
rate, kHz

Phase
retardation

HV POWER SUPPLIESKTP / RTP
BBO

Material

POCKELS CELLS DRIVERS

For operation at 515 – 532 nm wavelength|

Material

Max repetition
rate, kHzØ CA, mm

HV pulse
duration

Pockels cell

Driver

HV Power supply

PCB4D

DPB2-1000-3.8-Al

HV-2x200-2.0 or HVS100-4x60-2.0

λ/4

100 – 5000 ns

PCK6 / PCR6

DP-500-2.6-Al

HVS100-120-2.6

1000

3.5

500

5.5

BBO

250

3.5

PCB4D

DP-250-3.6-Al

HVS100-80-3.6

KTP / RTP

2500

3.5

PCK4 / PCR4

DPB3-2500-3.1-Al

HV-2x200-2.0

BBO

500

3.5

PCB4D

DPB3-500-7.2-Al

HV-2x200-3.6

BBO

300

2.5

PCB3D/25

DPB1-300-4.6-Al

PS2-60-2.6 or HVS100-2x60-2.6

λ/2

100 – 5000 ns

CRYSTAL OVENSBBOKTP / RTP|

Phase
retardation

TIMING GENERATOSFor operation at 1550 – 1560 nm wavelength

All combinations of Pockels cell, driver and HV power supply can be integrated into a single pulse-picking system UP2 or MP1.

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

19

POCKELS CELLS|POCKELS CELLS DRIVERSHV Power
Supplies

PS-80 power supply|
HV POWER SUPPLIESOEM TYPE HIGH VOLTAGE POWER SUPPLY – PS|
Q-SWITCHING KITS|ULTRAFAST PULSE PICKING SYSTEMSPS series Power supplies are designed for
powering Pockels cell drivers with required
power and voltage. Due to its performanceand reliable design, PS is good choice for OEM
customers. It features high stability low ripple
output together with convenient voltage

control by internal trimmer or CAN computerinterface.
Power supplies PS-120 and PS2-60 are
equipped with overheat protection and LED
indicator that stops operation and lights if
ambient temperature exceeds 55 °C.
PS-120, PS2-60 power supply

Specifications|
LASER DIODE DRIVERS

MODEL

PS-5

PS-40

PS-80

PS-120

PS2-60

PS-170

PS-2x85

Maximal high voltage output
options 1)

1.8 kV
2.8 kV
4.0 kV
4.4 kV
5.0 kV

1.3 kV
1.8 kV
2.5 kV
3.6 kV
4.0 kV

1.8 kV
2.6 kV
3.1 kV
3.6 kV
4.0 kV

1.8 kV
2.6 kV
3.1 kV
3.6 kV±1.4 kV±2.0 kV±2.6 kV±3.6 kV

1.8 kV
2.6 kV
3.6 kV±1.5 kV±1.8 kV

5W

40 W

80 W

120 W

2 × 60 W

170 W

2 x 85 W

Maximal output power at maximal
output voltage 2)

Umax –1 kV to Umax (internal trimmer); 40% Umax to Umax (CAN)

Voltage control limits
Output voltage control options 3)External powering

24 V DC, <15 W

Dimensions (L × W × H)

135 × 70 × 30 mm 160 × 70 × 40 mm 175 × 70 × 45 mm

Mounting holes Ø3.4 mm location

40% Umax to Umax

CAN interface 4), internal trimmer potentiometer
24 V DC, <50 W

125 × 35 mm

150 × 60 mm|
TIMING GENERATOS

1) Matching to Pockels cell driver voltage requirement is necessary by ordering.
2) Maximal power is proportionally lower by tuning to lower HV output.
3) Needs to be indicated by ordering.
4) Requires USB-CAN converter for computer control that is sold separately. Voltage control

24 V DC, <90 W

24 V DC, <150 W 24 V DC, <150 W

24 V DC, <200 W

175 × 110 × 45 mm

152 × 80 × 58 mm

165 × 100 mm–

165 × 60 mm

Output ripple is 0.5% typically at maximal power for all models of HV power supplies. Externalfilter can be used to reduce that value if certain application requires smoother output. All
Pockels cell drivers have integrated ripple filter and usually do not require additional one.
Contact us for suggestions if your specific application needs lower ripple voltage.

limits from 40% Umax to Umax .

7

40

58
30

|

42.5
97

50
80

75

Outline drawing of PS-170, PS2-85 HV power supply

M4x0.7 - 6H
(x4)

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

25.2
53

75

152
133

M4x0.7 - 6H
(x4)

20

42.5

CRYSTAL OVENS

PS-170, PS2-85 HV power supply

12

POCKELS CELLS DRIVERS

Required high voltage value can be set andadjusted in the limits from 40 % of maximal
specified voltage to maximal specified
voltage (40 % Umax to Umax).
HVS100 has 2.4 inch OLED display
for high voltage control and current
consumption monitoring at the output
channel.

|Laboratory type HVS100 series high voltage
power supply is especially designed for
powering of drivers of Pockels cells. However,it can be used as general purpose highvoltage power supply for other electronic
devices and different applications in thelaboratory. HVS100 features two voltage
output channels – adjustable high voltage
output channel and 24 V DC output channel.

POCKELS CELLSLABORATORY TYPE HIGH VOLTAGE POWER SUPPLY – HVS100|
HV POWER SUPPLIES|Q-SWITCHING KITS

Front panel of HVS100 power supply

Rear panel of HVS100 power supply|

CATALOGUE NUMBER
Maximal high voltage output options

HVS100 Maximal output power at maximal
output voltage

HVS100-2x60 HVS100-120

HVS100-80

HVS100-150

1.8 kV
2.8 kV
4.0 kV
4.4 kV
5.0 kV

1.3 kV
1.8 kV
2.5 kV
3.6 kV
4.0 kV

1.8 kV
2.6 kV
3.1 kV
3.6 kV
4.0 kV

1.8 kV
2.6 kV
3.1 kV
3.6 kV
4.0 kV

2×60 W

120 W

5W

40 W

80 W

150W

100 W

Not available

40 % Umax to Umax

Voltage control limits
Remaining power at the output of 24 V DC
for external needs

55 W

Mains voltage / DC supply
Dimensions (W × L × H)
Weight

55 W

190 W

150 W

90 to 264 V AC, 47 – 63 Hz

24 V DC

230 × 245 × 53.5 mm
2.5 kgOutput ripple is 0.5% typically at maximal power for all models of HV power supplies.
Maximal power is proportionally lower by tuning to lower HV output.

LASER DIODE DRIVERS

HVS100-40

1.8 kV
2.6 kV
3.1 kV
3.6 kV|

HVS100-5±1.4 kV± 2.5 kVULTRAFAST PULSE PICKING SYSTEMS

Specifications|
TIMING GENERATOS|CRYSTAL OVENSRev. 20211007 • Visit www.eksmaoptics.com for new products and prices

21

POCKELS CELLSHIGH VOLTAGE POWER SUPPLY – HV|
POCKELS CELLS DRIVERS

Features
Up to 400 W and 4 kV at the output
Single polarity HV and bipolar HV-2x
versions
Computer control through CAN and RS232
48 V DC powering|
HV POWER SUPPLIES

Auxiliary 24 V DC output for Pockels celldrivers

OEM type HV series power supply modules
are designed to be used with high power andhigh repetition rate Pockels cell drivers that
require >120 W power from HV source. To
extend the versatility of possible applications
we offer both single (positive) polarity andbipolar HV series power supplies.
HV power supplies can also be used asuniversal HV power supplies for different
applications where up to 200 – 400 W highvoltage source is required. HV series module
provides maximal power (200 W or 400 W)
at the indicated maximal rated voltage only.

Therefore, the required rated voltage should
be noted when ordering (possible options arelisted in the specifications table).
The input of HV series power supply
is 48 VDC. 24 VDC auxiliary output is aconvenient feature to use the module as asingle power source (high plus low voltage)
with one of EKSMA Optics Pockels cell drivers.
The output voltage can be tuned from zero
to maximal value using an internal trimmer
potentiometer, CAN or RS232 interfaces.
Analog control (0 – 10 V) is possible underrequest.

|Specifications

Q-SWITCHING KITS

MODEL

HV-200

HV-400Maximal HV options|

Maximal output power± 1.5 kV
± 2.0 kV± 2.6 kV± 3.6 kV
400 W 2)200 W 1)ULTRAFAST PULSE PICKING SYSTEMS

Voltage control range

2 × 200 W

0 – Umax

Auxiliary output

24 VDC, 1.2 A

Controls

CAN, RS232, internal trimmer potentiometer

Powering requirement

48 V, 4.5 A

Dimensions

48 V, 9 A
200 × 118 × 75 mm

1) Maximal output power of 4 kV HV-200 version is limited to 180 W.
2) Maximal output power of 4 kV HV-400 version is limited to 360 W.

200

19

80

LASER DIODE DRIVERS

119

|
|

150

43.5

100

M3×0.5 (x4)7130

M3×0.5 (x4)|CRYSTAL OVENS

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

76

Front and rear view of HV power supply
module15

TIMING GENERATOS

25

Outline drawing of HV power supply module.

22

HV-2x200

1.8 kV
2.6 kV
3.6 kV
4.0 kV 1) 2)

POCKELS CELLS

Q-Switching
Kits|
POCKELS CELLS DRIVERS|
HV POWER SUPPLIES

Pulse repetition rate up to 200 Hz

DKDP Pockels cells
Q-switching kit includes:
Low repetition rate Pockels cell driver(see page 18)|

Q-switching without retardation plate

High voltage power supply for Pockels celldriver (see page 20)
KD*P Pockels cell (see page 5)

Q-switching kit

OEM Power supply

Pockels cellThin Film polarizers

Lamp pumped
laser head

Output mirror

LASER DIODE DRIVERS

Rear mirror|

OEM HV driver

ULTRAFAST PULSE PICKING SYSTEMSOEM QKD series Pockels cell kits are designed
to be used with lamp pumped nanosecond
lasers. High voltage is applied to DKDP (KD*P)
Pockels cell through DQF Pockels cell driverin order to inhibit oscillation. Pockels cell is
opened by negative polarity pulse allowing
laser to radiate.

Q-SWITCHING KITS

Features|

KD*P POCKELS CELL Q-SWITCHING KIT – QKD|

Typical Q-switching with DKDP Pockels cell in λ/4 scheme

TIMING GENERATOSTiming diagram of DQF Pockels cell driver

ORDERING INFORMATIONQKD-01

QKD-02

Operationquarter wave (λ/4)

Repetition rate
Clear aperture

QKD-03up to 200 Hz
4.5 × 4.5 mm

Ø 8 mmØ 11 mm

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

CRYSTAL OVENS1064 nm|

MODEL
Wavelength23

POCKELS CELLSBBO POCKELS CELL Q-SWITCHING KIT – QKB|Features

POCKELS CELLS DRIVERS

OEM QKB series Pockels cell kit is designedfor Q-switching of high repetition ratenanosecond lasers and mode locked lasers.

BBO Pockels cells
Q-switching kit includes:

Pulse repetition rate up to 100 kHz

High repetition rate Pockels cell driver(see page 17)

Up to 10 kHz no external cooling isrequiredHigh voltage power supply for Pockels celldriver (see page 20)

Fast HV rise time <7 ns

BBO Pockels cell (see page 6)|
HV POWER SUPPLIES

Q-switching kit

OEM Power supply|

OEM HV driver

Q-SWITCHING KITS|

Rear mirror

ULTRAFAST PULSE PICKING SYSTEMS|Thin Film polarizers

Lamp pumped
laser head

Output mirror

Typical Q-switching with BBO Pockels cell in λ/4 scheme

Ordering information
MODEL

QKB-01

QKB-02

Wavelength1064 nmOperationquarter wave (λ/4)

Repetition rate
Clear aperture

LASER DIODE DRIVERS|
TIMING GENERATOS|CRYSTAL OVENS

24

Pockels cellwww.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

up to 100 kHz
Ø 2.5 mm

Ø 3.5 mm|

Digital synchronization and delaypulse generator pMaster 4.2

POCKELS CELLS

Ultrafast
Pulse Picking
Systems

POCKELS CELLS DRIVERS|
HV POWER SUPPLIESSingle shot, burst or normal operation
modes

Specifications of pMaster 4.2 timing generator
MODEL
Control modes

4 output channels for full control of
Pockels cells drivers with 100 ps resolution
Touch screen for setting operation
parameters and monitoring of HV current

Operation modes
Delay range
Internal Pulse
generator

100 ps25 ps + 0.000001 × delay

Time base

100 MHz, 0.2 ppm

RMS jitter< 100 ps

Channel to channel jitter< 30 ps

Synchronization source

External trigger, SYNC IN input

Rate
Externalsynchronization

1.3 V

Input level

LVTTL, tolerates 5 V

Impedance

0.2 mA pulldown

SloperisingRate

10 MHz to 100 MHz

Min pulse width
Input level

300 ps
0.5 V to 3.3 V

Impedance

50 Ω

Output level

4.5 V

Output impedance

50 ΩCommunication
Power
Dimensions

USB
230 V AC 50 Hz or 110 V AC 60 Hz
482 × 387 × 88 mm

CRYSTAL OVENSCommunication, poweringand physical specifications

10 ns

Threshold|Outputs

1 Hz to 20 MHz

TIMING GENERATOS

External RF source,
CLK IN input

Min pulse width|

Possibility to use asynchronous gate input
signalResolution
Accuracy

LASER DIODE DRIVERS

Integrated over-temperature protection

Single shot, burst, normal
1.1 nanoseconds to 140 milliseconds|

Communication via USB port
Protection installed in order to prevent
damage if control cables are connected
incorrectly

pMaster 4.2
Internal pulse generator, External trigger,
External RF source

ULTRAFAST PULSE PICKING SYSTEMS

Control of ultrafast pulse picking units
operating at up to 2 MHz repetition rate

picking units. pMaster 4.2 also has built-in
high voltage power supplies for Pockels cells
drivers powering.

|

Synchronization with pulsed lasers
emitting laser pulses at up to 100 MHz
repetition rate

pMaster 4.2 is a timing generator with four
output channels used for the full control
of operation of high voltage Pockels cells
drivers which are built-in in UP2 or MP1 pulse

Q-SWITCHING KITS

Features|

DIGITAL SYNCHRONIZATION AND DELAY PULSE GENERATOR – pMaster 4.2

Ordering information
Digital synchronization and delay pulse generator pMaster 4.2 should be matched with pulse
picker MP1 or UP2. Please contact our sales engineers for a complete solution tailored to yourapplication.

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

25

POCKELS CELLSPULSE PICKER – MP1|

Features

POCKELS CELLS DRIVERS

Pulse picking rate up to 600 kHz
Fast Amplitude Modulation version
available|

MP1 pulse picker consists of built-in fast
driver and a Pockels cell. This unit is able toselect pulses at up to 600 kHz rate. MP1 isoperated by pMaster 4.2 generator which
provides sync pulses for driver control andhas built-in HV power supply. MP1 can besynchronized with a laser generating pulse
train with max 60 MHz repetition rate forsingle pulse picking task when it is in setup
with pMaster 4.2 generator.

HV POWER SUPPLIESSpecifications of MP1 pulse picker units
PULSE PICKER|

MP1-DKDP-11

MP1-BBO-5.8

MP1-BBO-3.5

MP1-FAM-KTP-5.5

up to 5 kHz

up to 250 kHz

up to 600 kHz

up to 500 kHz

Built-in-driver, max operating rate

Q-SWITCHING KITS

Max laser repetition rate for single pulse picking

30 – 3000 ns

15 – 1250 ns

15 – 400 ns

70 – 1000 ns

HV pulse rise time, typical< 9 ns< 8 ns< 7 ns< 26 ns|

HV pulse fall time, typical< 9 ns< 8 ns< 7 ns< 13 ns

ULTRAFAST PULSE PICKING SYSTEMS

40 MHz60 MHz

Pockels cell contrast ratio, VCR

HV power supply

10 MHzprovided in pMaster 4.2

Operationquarter-wave, λ/4

HV pulse duration

0 to λ/2

1 : 500

Pockels cell transmission> 97 % at 1064 nm

Clear apertureØ11 mmCooling

conductive> 98 % at 1064 nm
Ø5.8 mm

Ø3.5 mm

Ø5.5 mmwater

Dimensions (L × W × H)

230 × 90 × 69 mm

MP1 can be set for operation at standard laser wavelengths (1064 nm, 1030 nm, 800 nm) or at any specific laser wavelength in the range from 500 to 2000 nm.

Suggested operation schemes|
LASER DIODE DRIVERS

MP1

Laser

Laser

|

Horizontalpol.

TIMING GENERATOS

TFP*

TFP*

TFP – Thin film polarizer, for instance our standard products:
420-1258UHT, 420-1256UHT or 420-1248UHT

Horizontal TFP*
pol.

TFP*

HV off

HV on

HR mirror

Beam dump

HV off|

HV on

CRYSTAL OVENSSingle pass (half-wave) operation scheme

TFP*

Double pass (quarter-wave) operation scheme

Suggested configurations
CODE

26

Faraday rotator
λ/2

DESCRIPTION

MP1-DKDP-11 +pMaster 4.2

Ultrafast pulse picker for up to 5 kHz operating rate, DKDP clear aperture Ø11 mm, λ/4 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

MP1-BBO-5.8 +pMaster 4.2

Ultrafast pulse picker for up to 250 kHz operation, BBO clear aperture Ø5.8 mm, λ/4 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

MP1-BBO-3.5 +pMaster 4.2

Ultrafast pulse picker for up to 600 kHz operation, BBO clear aperture Ø3.5 mm, λ/4 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

POCKELS CELLSULTRAFAST PULSE PICKER – UP2|
HV POWER SUPPLIES

UP2 pulse picker consists of built-in drivers,
Pockels cell, high contrast ratio polarizers,
beam dump and other optical components
necessary for pulse picking application. The
UP2 pulse picker in setup with pMaster 4.2

POCKELS CELLS DRIVERS

Pulse picking rate up to 2 MHz

generator is able to select pulses at up to
2 MHz rate from max 100 MHz repetition
rate pulse train. UP2 comes with BBO or KTP
Pockels cell which are set for quarter wave or
half wave voltage operation depending on
the laser wavelength and required minimal
clear aperture of the Pockels cell.
KTP Pockels cell’s usage is limited by theaverage power of the laser beam – up to 2 W
and contrast ratio is typically >1:500. WhileBBO Pockels cells operate at much higher
power levels and feature higher contrast
ratio – typically >1:1000.

|

Features

Specifications of UP2 pulse picker units
UP2-BBO-2.5

UP2-KTP-5.5

UP2-KTP-3.5

up to 1 MHz

up to 2 MHz

up to 1 MHz

up to 2 MHz

Max laser repetition rate for single pulse picking

100 MHzHV power supply

provided in pMaster 4.2

Operationquarter-wave, λ/4

half-wave, λ/2
0 – 5000 ns< 7 ns

HV pulse fall time, typical< 7 ns

Pockels cell contrast ratio, VCR

1 : 500

Pockels cell transmission> 98 % at 1064 nm

Clear apertureØ3.5 mm

Ø2.5 mm

Cooling> 98 % at 800 nm> 98 % at 1064 nm

Ø5.5 mm

Ø3.5 mmwater

Dimensions (L × W × H)

240 × 275 × 59 mm

UP2 can be set for operation at standard laser wavelengths (1064 nm, 1030 nm, 800 nm) or at any specific laser wavelength in the range from 500 to 2000 nm.

|

Suggested operation schemes

ULTRAFAST PULSE PICKING SYSTEMS

HV pulse rise time, typical|

HV pulse duration

Q-SWITCHING KITS

UP2-BBO-3.5|

PULSE PICKER
Built-in-driver, max operating rate

LASER DIODE DRIVERS|
TIMING GENERATOS

Note. Additional components –Faraday rotator, λ/2 waveplate
and polarizer are required forsafe operation of the laser whenpulse picker is used in double
pass configuration. See suggested
scheme at page 26 .

|Double pass (quarter-wave) operation scheme

Suggested configurationsCODE

DESCRIPTION

UP2-BBO-3.5 +pMaster 4.2

Ultrafast pulse picker for up to 1 MHz operation, BBO clear aperture Ø3.5 mm, λ/4 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

UP2-BBO-2.5 +pMaster 4.2

Ultrafast pulse picker for up to 2 MHz operation, BBO clear aperture Ø2.5 mm, λ/4 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

UP2-KTP-5.5 +pMaster 4.2

Ultrafast pulse picker for up to 1 MHz operation, KTP clear aperture Ø5.5 mm, λ/2 operation at 800 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply

UP2-KTP-3.5 +pMaster 4.2

Ultrafast pulse picker for up to 2 MHz operation, KTP clear aperture Ø3.5 mm, λ/2 operation at 1064 nm.
Pulse synchronization and delay generator, 4 output channels for trigger pulses with built-in High Voltage supply
Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

CRYSTAL OVENSSingle pass (half-wave) operation scheme

27

POCKELS CELLS|POCKELS CELLS DRIVERS

Laser Diode
Drivers

Forced air cooling driver version
including capacitor battery
board for QCW operation|
HV POWER SUPPLIES|UNIVERSAL LASER DIODE DRIVER – uniLDD

Q-SWITCHING KITS

Features
Latest DSP based control technology|
ULTRAFAST PULSE PICKING SYSTEMS

Designed for high power applications
Max 100A & 27V in CW mode
Max 360A & 80V in QCW modeLow current ripple
Low current drift
High precision and stability
Optional integrated TEC controller
Analog and digital control interfaces|
LASER DIODE DRIVERS

uniLDD is a DC input power converter
designed to supply CW up to 100 A or pulsed(QCW) up to 360 A current for the single
emitter, bar, stacked laser diode or highpower VCSEL in constant current mode.
Using different software versions and minor
hardware modifications, the uniLDD driveris adapted for different types of laser diodes
and modes of operation.
The driver is based on DSP technology.
At the factory done frequency response
analysis based on customer’s requirementsallows achieving stable operation with any
load and connection cables combination inboth CW and QCW operation modes. Besides,
this lets to shorten rise time in QCW mode
if necessary. To fulfill all those features anddeliver the driver with the best performance,
we ask to fill in the questionnaire.
High-efficiency PWM-based converterwith up to 4-phases output provides around
90% efficiency and gives very smooth, low
noise and high precision output to thelaser diode. Below the given charts are theperformance results on the test bench. The
uniLDD driver is most effective if used for
diode currents above 10 A. Depending on theconfiguration, uniLDD driver control is doneby analog, CAN and RS232 interfaces.
Optionally, uniLDD allows bidirectional
control (active heating and cooling) of one
or two TEC’s with the same driver providing
current up to 25 A and voltage up to 28 V.
The driver can be delivered in two
possible design shapes. The first one is aninternal fan-cooled set of screwed together
set of boards. This is a general, most flexible
design allowing easy customization andimplementing most of the possible features.
The second one, the conductive cooling
driver is specifically adapted for CW operationand lets to save design space. No fan isrequired. Cooling is done by attaching theboard to a massive enough heatsink or coldplate.

|TIMING GENERATOS|CRYSTAL OVENSConductive cooling driver version for CW operation28

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

PARAMETER

VALUE

NOTES

INPUT
12 … 30 V DC

OUTPUT, CW mode
Diode compliance voltage

1 … 27 V

Up to 95% of power stage supply voltage

Max current

50 – 100 A

See SUGGESTED CONFIGURATION for max current values

Current ripple

0.1 % pk-pk

DC … 100 kHz bandwidth, in ×0.5 … ×1 of max current range

Current drift< 0.2 %

Cold start, 8 h period, after 5 min warm up

Bandwidth of Iprogramm control input frequency> 10 kHzAt minimal connection cable inductance

POCKELS CELLS DRIVERS

12 … 90 V DC

Voltage, control stage|

Voltage, power stage

POCKELS CELLS

General specifications|

1 … 80 V

Max pulse current

160 – 360 A

See SUGGESTED CONFIGURATION for max current values> 5 µsAt minimal connection cable inductance and sufficient power stage
voltage

80 A

80 A for diode compliance voltage >28 V

Current pulse raise
Max RMS current

In ×0.5 … ×1 of max current range< 0.2 %

Cold start, 8 h period, after 5 min warm up

0 to 40 °C

De-rate current at higher temperature

Forced air, installed or external shared fanInquire for conduction cooled version

ENVIRONMENT
Operating temperature
Cooling

PROTECTIONS|Current transient protection and shut-down

ULTRAFAST PULSE PICKING SYSTEMSOpen circuit shut-downPower voltage brownout shut-downOver temperature shut-downInterlock shut-down

AUXILIARY OUTPUTS+5 V @ 200 mA+15 V @ 100 mA-15 V @ 100 mA

CONFIGURATIONS
50 A, 80 A, 100 A

Max current, pulse mode

160 A, 360 A

Max power stage voltage

28 V (CW, QCW) and 90 V (QCW)IRMS ≤ 100 A, duty factor ≤ 20 %TEC CONTROL (if equipped)
0, 1 or 2

Maximal output current to TEC

25 A

Maximal output voltage to TEC

28 V

|

Quantity of outputs to control

190 × 68 × 55 mm

Conductive cooled assembly size (L×W×H)

117 × 90 × 27 mm

15 mm fan included

Analog control – DSUB-15
Digital control – Molex Picoflex

6 pin and 10 pin connectors|

DC power input – Multiple

Proprietary EKSMA Optics protocol

Protocol description, control application, libraries and programming
samples are provided on request"CAN Open" stack

may be added on request

ASCII text command protocol
RS232 port

Proprietary EKSMA Optics CAN messages
tunnel over RS232 protocol

CRYSTAL OVENSDIGITAL CONTROL INTERFACECAN bus

TIMING GENERATOSPHYSICAL CHARACTERISTICS
Assembly size (L×W×H)

LASER DIODE DRIVERS

CW, QCW (pulse)

Max current, CW mode|

Operation mode

Connectors

Q-SWITCHING KITS

Current drift

0.1% pk-pk|

Current pulse amplitude stability

HV POWER SUPPLIESOUTPUT, QCW (Pulse mode)
Diode compliance voltage

Control application, libraries and programming samples are provided

Notes:– Max current is transient protection upper setting. Laser diode EOL nominal current should be 95% or less of this value.
– Parallel connection of several drivers can be used above 100 A in CW and 400 A in QCW.
– Specifications are subject to change without prior notice. Not all combinations of parameters are possible at the same time.
See configuration samples for suggested configurations or send a request with your requirements.

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

29

0.4
0.3

0.1

Error, %

0.5

0

0
0

500

1000

1500

2500

2000

0

20

40

Time, s|uniLDD current drift.
From cold start for different currents

90|
Q-SWITCHING KITS

Efficiency, %HV POWER SUPPLIES

0.4

80
12 V DC
24 V DC

70
60

0

20

40

60

100

80

uniLDD current error.
12 V and 24 V DC power, 2 V junction + 10 MΩ series R load

100

50

60

Current, A

80

120

100

|

Current, A

ULTRAFAST PULSE PICKING SYSTEMS

uniLDD efficiency.
12 V and 24 V DC power, 2 V junction + 10 MΩ series R load

0.08

12 V DC, %12 V DC, A
24 V DC, %24 V DC, A

0.3

0.06

0.2

0.04

0.1

0.02

0

0

20

40

60

Current, A

80

0
100

uniLDD ripple current.
12 V and 24 V DC power, 2 V junction + 10 MΩ series R load

Analog interface pinout, 15-pin D-sub, female|
LASER DIODE DRIVERS|
TIMING GENERATOSPINSIGNAL NAMEDIRECTION

VOLTAGE LEVELDESCRIPTION

1

EnableInput

TTL, LVTTL

The enable function pulls the RTO signal high2

Ready to Operate(RTO)

Input/Output
through
330 Ω resistor> 2.4 V driver output is active,< 0.5 V output is clamped

RTO is tied to "High" by the driver when "Enable" input is High.
Alarms clamp RTO low and disable driver output. External device may clamp
RTO to GND and disable driver output. RTO allows to join fault circuits ofseveral drivers connected in parallel

3

InterlockInput

10 kΩ pull up to 3.3 V,
LOW ≤ 0.4 V

The Interlock function can be connected to external safety or
machine protection switches such as door or temperature switches.
Open = OFF Connect to GND = RUN

4

GND

5

Vout monitor

OutputVout, driver output voltage

The output voltage monitor.
Vout = Diode compliance voltage + voltage drop on connection wires

6

Iout monitor

Output0 – 12 V * = 0 – Iout max

The output current monitor|
CRYSTAL OVENS

7

IprogramInput

0 – 9 V * = 0 – Iout max

Output current setting or modulating by applying a voltage,
CW and Pulse mode

8

Pulse control

Input

TTL, LVTTL positive pulse

Trigger input for pulse mode.
Pulse rise will trigger current pulse of preset width

9

GND

15

GND

10, 11+5V

Output+5V

Auxiliary, 200 mA

12

-15V

Output-15V

Auxiliary, 100 mA

13, 14+15V

Output+15V

Auxiliary, 200 mA* Subject to change.

30

1.0

Ripple pk-pk, A

POCKELS CELLS DRIVERS

10 A
30 A
60 A
95 A

0.2

-0.1

12 V DC
24 V DC

1.5

Ripple pk-pk, %|Current error, %POCKELS CELLS

2.0

0.5

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

CW mode preconfigured drivers
DIODE COMPLIANCE
VOLTAGE UP TOOUTPUT CURRENT
UP TO

uniLDD-CW-30-50

n/a

27 V

50 A

uniLDD-CW-30-80

n/a

27 V

80 A

uniLDD-CW-30-100

n/a

26 V

100 A

uniLDD-CW-TEC-30-50

1

27 V

50 A

NO OF TECCHANNELSDIODE COMPLIANCE
VOLTAGE UP TOOUTPUT CURRENT
UP TO

uniLDD-C-CW-30-50

n/a

27 V

50 A

uniLDD-C-CW-30-80

n/a

27 V

80 A

POWER SUPPLYVOLTAGE≤ 29 V DC ** Power stage supply voltage need to be at least 2V above diode compliance voltage

POWER SUPPLYVOLTAGE≤ 29 V DC ** Power stage supply voltage need to be at least 2V above diode compliance voltage

NO OF TEC DIODE COMPLIANCEOUTPUT
POWER SUPPLYCHANNELSVOLTAGE UP TO
CURRENT UP TO
VOLTAGEREPETITION
RATE

PULSE
DURATION

RISE TIME
30 µs

uniLDD-QCW-30-120

n/a

6V

120 A

24 V

2000 Hz300 µsuniLDD-QCW-30-100

n/a

22 V

100 A

28 V

10 Hz

450 ms1 ms

uniLDD-QCW-100-360

n/a

70 V

360 A

90 V

20Hz

500 µs

50 µs

Q-SWITCHING KITS

ORDER CODE|QCW mode preconfigured drivers

HV POWER SUPPLIESORDER CODE|CW mode conductive cooling preconfigured drivers

POCKELS CELLS DRIVERSNO OF TECCHANNELS|ORDER CODE

POCKELS CELLS

Samples of suggested uniLDD driver configurations

|

2

5V

220 A

12 V

100 Hz300 µs

30 µs

1

70 V

150 A

90 V

20 Hz

250 µs

40 µs

Please send filled in Questionnaire for Quotation with every inquiry.
The Questionnaire for Quotation can be downloaded from our website
Brochures section of UniLDD laser diode drivers.

ULTRAFAST PULSE PICKING SYSTEMS

uniLDD-QCW-2TEC-30-220
uniLDD-QCW-1TEC-100-150

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

31

Above tables are just for illustration of versatility of uniLDD driver. Drivers are ready to be preconfigured at the factory for specific requirements.

Ordering information|
LASER DIODE DRIVERS|
TIMING GENERATOS|CRYSTAL OVENSModular design. Required features and specifications are achieved by
combining different boards to one module

POCKELS CELLS|POCKELS CELLS DRIVERS

TimingGenerators

Laboratory type timing generator TG10|

OEM version of TG10 timing
generator SY4000-OEM

HV POWER SUPPLIES|Q-SWITCHING KITS|ULTRAFAST PULSE PICKING SYSTEMS|LASER DIODE DRIVERS|
TIMING GENERATOS|CRYSTAL OVENS32

TIMING GENERATOR FOR APPLICATIONS WITH LASERS AND LASER COMPONENTS – TG10

Features
Ultra-stable internal clock 0.2 ppm
Precise delay control in range 2 ns to
150 ms25 ps timing resolution
Hi-accuracy synchronization to theexternal pulse train
DAC output
Frequency divider for photodetectors
Measurement of:– Optical clock frequency– Triggering frequency– Delay

Applications
Passive or active mode locked, Q-switchedlasers, pulsed or QCW
Data acquisition system triggering
General purpose pulse generator
Precise system clock source
Laser pulse train converting to the clean
clock source
All functions listed above simultaneously
at once!

The TG10 is a timing generator dedicated tothe synchronization of laser systems and laser
components: Pockels cell drivers, acoustooptical modulator drivers, laser diode andflash lamp drivers, detectors, data acquisition
systems, laser pulse pickers, etc. The TG10 isdesigned to create up to 8 delayed output
sequences precisely synchronized to theinternal or external clock. A photodetector
or electrical signal can be used as the input
source to be synchronized with.
The timing generator can be used as astandalone unit with a touch screen interface(TG10) or installed as an optional add-on PCB
board (SY4000-OEM). The TG10 device has an
LCD touch screen for the manual control anda tunable knob for the adjustment of selectedvalues set on the touch screen. Instructionsof required actions are always displayed at
the bottom of the screen. Besides, the timing
generator has a digital control interface via
CAN bus. Communication protocol withdescription for CAN is provided on request.
CAN to USB converter is also available fromEKSMA Optics.

Low jitter sync pulse output is used forhigh-speed acquisition systems like streak
camera triggering. The typical jitter is
3...5 ps to the optical pulse.
Control connector. The softwarecontrollable multiplexer may divert anyof the output signals to this connector tosniff what is on other connectors without
disturbing them.
Clock output: 1:1, 1:2 frequency.
Up to 4 pulse outputs can be combined
to single signals by OR, AND, NOT logicaloperations.
DAC output, controlling, e.g. AOM passthough.

Input and output channels
CHANNELDESCRIPTION

Key features of the TG10

OUTx

five digital general-purpose output
channels (4.5 V @ 50 Ω)

The key features of the TG10 module inaddition to standard pulse generator features:

AN OUT

analog output with 12-bit
resolution (1 V @ 50 Ω)

Ability to lock to an external clock source,
usually photo-diode pulse train. The
triggering system is locked to the laser
oscillator then, and trigger time is always
in phase with the optical pulse.

COM TRIG

common trigger output.
Configurable source (2.5 V @ 50 Ω)

PRE TRIG

precise trigger output channel.
Configurable source (>1.5 V @ 50 Ω)

GATE IN

configuration switch and burst
control input. (LVTTL, tolerates 5 V.
0.2 mA pull-down)

SYNC IN

trigger input for DC to 20 MHz
frequencies. (LVTTL, tolerates 5 V.
0.2 mA pull-down)

CLK INclock input for 10 MHz to 100 MHz
frequencies. (0.5 V to 3.3 V @ 50 Ω
pk-pk, sine or pulses)

Instant switch between two configurations
in delay blocks. Burst counter, gate input,
frequency divider, or software commands
may serve as the configuration switching
signal sources. Configuration switch isused to control optical pulse pickers (EOMor AOM) in a highly flexible manner.

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

PARAMETERSPECIFICATIONTIME BASE
100 MHz 0.2 ppm TCXO
20…100 MHz

INTERNAL RATE GENERATOR
Sources
Rate (T0 period)

100 MHz clock, Optical clock, SYNC IN, Software command
50 ns…100 s (0.01 Hz to 20 MHz)

Resolution

10 ns or 1 Optical period or 1 SYNC IN period

RMS jitter< 100 ps

EXTERNAL TRIGGER, SYNC IN INPUTPOCKELS CELLS DRIVERS

External source, Optical clock|

Internal source

POCKELS CELLS

General specifications

|

Rate

Direct SYNC IN, SYNC IN re-clocked to Optical clock
DC to 20 MHz

Threshold

1.3 V

Input range

0…5 V

Trigger slope

rising edge

RMS jitter, Direct SYNC IN< 120 ps
< 80 ns

DELAY GENERATORS
Channels, total
High res channels
High res channels, resolution3< 10 ns

Delay

0 … 150 ms

Pulse width

2 ns … 150 ms

Accuracy, High res channel

2.5 ns + 0.000001 setpoint

Accuracy, Low res channel≤ 10 ns + 0.000001 setpoint

Time base, Internal clock
RMS jitter, channel to channel

100 MHz, 0.2 PPM TCXO
< 30 ps TTL output, < 4 ps PRET output, < 20 ps LVDS outputs

CONFIGURATION SWITCH
1 … 65535

Frequency divider

1 … 32767

OUTPUTS, TTL/COMS
Voltage @50 Ω load
Voltage @1 MΩ load
Voltage selection 5V/9V

2.5 V or 4.5 V
5 V or 9 V
internal jumper
1.5 ns typ

OUTPUT, PRET
Pulse amplitude @50 Ω load

>1V

Impedance

50 Ω

Rise time

200 ps typ

OUTPUT, DIFFERENTIALLVPECLDAC resolution

12 bitMax amplitude @50 Ω

1V

POWER
Voltage

12 V ± 10%

Power15 W max

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

CRYSTAL OVENSOUTPUT, ANALOG

|

Type

TIMING GENERATOS

50 Ω

Rise time|

Impedance

LASER DIODE DRIVERS

Single shot, burst, continuous, frequency divider, GATE IN, inverted GATE IN

Burst counter|

System modes

ULTRAFAST PULSE PICKING SYSTEMS

Low res channels, resolution

5
25 ps

|

Low res channels

8

Q-SWITCHING KITS

< 5 nsInsertion delay|

RMS jitter, SYNC IN re-clocked

HV POWER SUPPLIES

System modes

33

POCKELS CELLS|POCKELS CELLS DRIVERS

Crystal
Ovens

Many of widely used nonlinear crystals are susceptible to ambient
humidity, for example KD*P, BBO, LBO. Protective coatings applied tothe surface can reduce degradation to some extent only. To improve
the protection of surfaces of the crystals from the degradation it isdesirable to keep the crystals at higher than ambient temperature,
which helps avoid condensation on the crystal surfaces.
In addition, if the crystal is used for harmonics generation, thephase-matching angle depends on crystal temperature. For example,
the output power of second harmonics generator based on KD*P
crystal can decrease by 50 % if the crystal temperature changes just by
one degree, hence for good laser stability precise crystal temperaturestabilization is necessary.

|
HV POWER SUPPLIES||LASER DIODE DRIVERS

MODEL

TC2 + CO1-30

Quantity of ovens possible
to connect to one controller TC2

2

Temperature tuning range
Maximum crystals dimensions
Sealing (optional)

TC2 + CO1-50
75

ULTRAFAST PULSE PICKING SYSTEMS

Specifications

RT – 200 °C
12×12×30 mm

12×12×50 mm|

FS windows (operation wavelength mustbe specified before ordering)

TIMING GENERATOS

Temperature tuning step

0.05 °C

Accuracy± 0.5 °C

Long-term stability± 0.05 °C

Control interfaces

LAN, USB

Mains

170

|

TC2 and CO1 is high temperature set (up to 200 °C) consisting ofthermocontroller TC2 and crystal oven CO1. TC2 has two independent
outputs and can control two CO1-30 ovens simultaneously. Controller isequipped by LAN and USB computer control interfaces.
The nonlinear crystal is mounted into adapter before insertion intooven CO1. Such design facilitates handling and replacement of thecrystal. The nonlinear crystal can be sealed with fused silica windows
in order to provide extra protection. The standard adapters are 30 and
50 mm length with apertures of 3×3, 4×4, 5×5, 6×6 mm and up to
12×12 mm size. Oven is delivered with one, customer’s specific size ofadapter. Adapters for different sizes can be ordered separately.

170

90–264 V, 47–66 Hz

Power consumption< 50 W|

Ø52×52 mm

Ø52×72 mm

50
Ø4.5 (x6)

52

Ø52

43.3

Ø3-11

32

Related products
Adapter MS-4 for CO1
mounting on tilt stage

25

19

20

Ø7 THRU⊔ Ø11 ↧ 7

9

M4x0.7 (x4)34Temperature controller TC2 outline drawing

Specifications are subject to changes without advance notice.

25

CRYSTAL OVENSDimensions, Dia×D

34

Q-SWITCHING KITSTEMPERATURE CONTROLLER TC2 WITH OVEN CO1 – TC2 / CO1

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

Cable toTC2 controller

M6

50

R2.5
M6 mounting
threadCrystal oven CO1-30 outline drawing

POCKELS CELLSCOMPACT OVEN FOR NONLINEAR CRYSTALS – Heatpoint|

Heatpoint is a compact round oven
designed for heating and thermostabilization of humidity sensitive nonlinear
crystals. Temperature of the oven can be
adjusted in 25 – 70 °C range using a small
thermocontroller attached on a wire.
Heatpoint ovens exhibit precise long-term
stability and are ideal for keeping nonlinear
crystals at their optimal operationaltemperature, preventing moisturecondensation on crystal’s faces.
Because of their compact design,
Heatpoint ovens can be easily installed into
tight spaces. These ovens can be mounted
in any standard one-inch optics positioning
mount.
Heatpoints are available in two sizes:
HP15 accepts crystals up to 15 mm in length,
while slightly longer HP30 fits crystals up to
30 mm in length. The exact aperture of thecrystal must be specified when ordering, as a
special adapter is made for the installation.
Each oven is made exactly for specificcrystal aperture size, so it cannot be used for
different size crystals.

POCKELS CELLS DRIVERS

Heatpoint HP30

Heatpoint HP15

|

25.40

6.50

25.40

HP30 dimensions

HP15 dimensions

|

MODEL

HP15

HP30

Crystal length (max)

15 mm

30 mm

Crystal aperture (max)

6 × 6 mm

Temperature tuning range

25 – 70 °C

Temperature tuning step

0.1 °C
3 °C/minPowering requirements

12 V DCPower consumption (PMAX)

6W

Power connector

2.1/5.5 mm

Power adaptor (included)

90 – 264 V AC, 47 – 66 Hz, 12 V DC
Ø 25.4 × 30.5 mm

Ø 25.4 × 45.5 mm

Distance (wiring length)from oven to thermocontroller

250 mmTIMING GENERATOS

60 × 14 × 7.5 mm|

Dimensions (thermocontroller)|

Related products

CRYSTAL OVENSfor Ø25.4 (1")
opticsfixingscrew
3

2 contact
lines

29

3

29

Ø2
3

77 max7.5

M4
2 holes

LASER DIODE DRIVERS± 0.1 °C

Temperature ramp rate|Long-term stability

Heatpoint HP30 with thermocontroller

ULTRAFAST PULSE PICKING SYSTEMS

Specifications

Dimensions (oven)

Q-SWITCHING KITS

30.50

|

6.50
45.50

HV POWER SUPPLIESOven to thermocontroller cableOven to thermocontroller cable

2255

Positioning mount 840-0193

Rev. 20211007 • Visit www.eksmaoptics.com for new products and prices

35

|
POCKELS CELLS DRIVERS

CH8 is compact oven with built-in
thermocontroller for nonlinears crystals
to keep them at stabilized temperature in
range 30…80 °C. It is ideal for larger aperture
crystals like KD*P. The crystals with up to
15 × 15 mm dimensions can be mounted.
Each oven is made exactly for specificcrystal aperture size, so it cannot be used for
different size crystals. CH8 crystal oven can beused with temperature preset at the factoryor customer has the possibility to adjust
temperature in the range 30 – 80 °C via CAN
interface.

|
HV POWER SUPPLIESSpecifications
MODEL

CH8-20Temperature range

CH8-30

CH8-5030 – 80 °C

Maximum crystals dimensions

15×15×20 mm

Temperature stability

15×15×30 mm

15×15×50 mm

better than ± 0.05 °C

Power consumption

<6 W

|

Control interface

Q-SWITCHING KITS

Crystal center position above pad

<6 W

<9 W

CAN

Dimensions, W×H×D

16 mm
48×44×26 mm

48×44×36 mm

48×44×56 mm
44

Specifications are subject to changes without advance notice.

|ULTRAFAST PULSE PICKING SYSTEMS

Ordering information
CODE *DESCRIPTION, FEATURESTK8OVENS WITH PRESET TEMPERATURE (must be specified before ordering)CH8-20-y/y-PS

CH8 oven (crystal length up to 20 mm) with power supply

CH8-30-y/y-PS

CH8 oven (crystal length up to 30 mm) with power supply

CH8-50-y/y-PS

CH8 oven (crystal length up to 50 mm) with power supply

26

POCKELS CELLSOVEN FOR NONLINEAR CRYSTALS – CH8

OVENS WITH ADJUSTABLE TEMPERATURE CONTROL (30 – 80 °C)|
LASER DIODE DRIVERS

CH8-20-y/y-CAN

CH8 oven (crystal length up to 20 mm)
with CAN-USB converter and power supply

CH8-30-y/y-CAN

CH8 oven (crystal length up to 30 mm)
with CAN-USB converter and power supply

CH8-50-y/y-CAN

CH8 oven (crystal length up to 50 mm)
with CAN-USB converter and power supply

48

CH8-20 dimensions

MOUNTING ACCESSORIES
MS-1

Two axis tilt adjustment 5 degrees range* y/y – indicates crystal size, sizes 3×3, 4×4, ..., 15×15 mm are standard.

|

44
87

CRYSTAL OVENS

TK9

36

|

Mounts for finetuning of CH8
crystal ovens angle.
The tuning range is± 2.5°.

34

TIMING GENERATOS

Related products

42
70

6.2

48

Mount MS-1

36

Mount MS-1 outline drawing

www.eksmaoptics.com • info@eksmaoptics.com • tel.: +370 5 272 99 00

Your partner forphotonics innovations!

EKSMA Optics, UAB
Mokslininku St. 1108412, Vilnius, Lithuania
info@eksmaoptics.com
Tel.: +370 5 272 99 00

www.eksmaoptics.com