NL200 ▪ NL230 ▪ NL300

NL230 seriesHigh Energy
Q-switched DPSS
Nd:YAG Lasers
F E AT U R E S

Nanosecond Tunable Wavelength Lasers

NANOSECOND LASERS▶ Customers recognized reliability▶ Diode-pumped▶ Rugged sealed laser cavity▶ Up to 190 mJ at 1064 nm pulseenergy▶ Up to 100 Hz pulse repetition rate
▶ Short pulse duration in the3 – 6 ns range

Nanosecond
Nanosecond Lasers▶ Two years warranty▶ Variable reflectivity output

coupler for low-divergence beam

▶ Quiet operation: no more

flashlamp firing sound▶ Remote control via keypad

BENEFITS▶ Short duration 3 – 6 ns pulses

ensures strong interaction withmaterial, are highly suitable for
LIBS▶ User selectable wavelength

single axis output is superior forexperiments, where alternating
wavelengths are required, likematerial ablation, LIBS

The NL230 series diode-pumped
short nanosecond lasers are designed
to produce high-intensity, highbrightness pulses and are targeted
for applications such as material
ablation, Light Detection And Ranging(LIDAR), remote sensing, mass
spectroscopy, OPO, Ti:Sapphire ordye laser pumping and many more.
Diode pumping allows maintenancefree laser operation for an extended
period of time - more than 3 years
for an estimated eight working hours
per day.
Because laser head components
are placed in a robust, sealed andprecisely machined monolithic
aluminium block, this laser canREV. 240116▶ Rugged, monolithic design enables

laser usage in hash environment

and/or any controller runningon any OS using REST APIcommands▶ Diode pumped design provides quiet▶ Optional temperature-stabilized▶ Variety of interfaces USB, RS232,▶ Electromechanical shutter

operation, eliminates the irritationof flash light

LAN, WLAN ensures easy control andintegration with other equipment

reliably work in a harsh industrial
environment with applications
such as laser-induced breakdown
spectroscopy (LIBS).
Second and third harmonic options
allows for an expanded range ofapplications, where high pulse energy
and high pulse to pulse stability arerequired.
For easy and seamless control
and integration with other industrial
equipment, the NL230 series laser isequipped with USB/RS232 interfaces
and can be externally triggered with ajitter as low as < 0.5 ns StDev.
NL230 series lasers are designed
to work reliably 24/7 in an industrialenvironment.

second and third harmonic
generators(optional)▶ Easy replaceable output window

A P P L I C AT I O N S▶ LIBS (Light Induced Breakdown

Spectroscopy)▶ Material ablation▶ OPO pumping▶ Remote Sensing▶ LIDAR (Light Detection AndRanging)▶ Mass Spectroscopy▶ LIF (Light Induced Fluorescence)

SAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E-MAIL SALES@EKSPL A.COM WWW.EKSPL A.COM31

NL230 series

NANOSECOND LASERS
Nanosecond Tunable Wavelength Lasers

S P E C I F I C AT I O N S 1)
Model

NL231-50

NL231-100

at 1064 nm

190 mJ

150 mJ

at 355 nm

55 mJ

40 mJ

Pulse energy (not less than) 2)
at 532 nm

110 mJ

at 266 nm

90 mJ

3 mJ

Pulse energy stability (StdDev) 3)

1.2 mJ

at 1064 nm<1 %at 532 nm< 2.5 %

at 355 nm< 3.5 %

at 266 nm

Pulse repetition rate
Nanosecond
Nanosecond Lasers

Power drift<5 %50 Hz< ±3 %4)

Pulse duration 5)

3 – 6 ns

Linewidth< 1 cm⁻¹ at 1064 nm“Top Hat” in near field and close to Gaussian in far field

Beam profile 6)

Beam divergence 7)< 0.8 mrad
≤ 60 μrad

Beam pointing stability (RMS) 8)
Polarization

linear, > 90 % at 1064 nm
5 mm

Typical beam diameter 9)

Optical pulse jitter (StDev)

Internal triggering regime< 0.5 ns

External triggering regime< 0.5 ns

Typical warm-up time

10 minPHYSICAL CHARACTERISTICS

Laser head size (W × L × H)

251 × 290 × 167 ± 3 mm

Power supply unit (W × L × H)
Desktop case449 × 390 × 140 ± 3 mmExternal chiller

inquire19″ module

483 × 390 × 140 ± 3 mm

Umbilical length

3m

OPERATING REQUIREMENTS

Cooling (air cooled) 10)

external chiller

Ambient temperature

18 – 30 ºC

Relative humidity (non-condensing)

20 – 80 %Power requirements

100 – 240 V AC, single phase, 50/60 Hz

Power consumption< 1.0 kW

Cleanliness of the room1)

2)

3)

4)

32

100 Hznot worse than ISO Class 9

Due to continuous improvement, allspecifications are subject to change. The
parameters marked typical may vary with each
unit we manufacture. Unless stated otherwise
all specifications are measured at 1064 nm andfor basic system without options.
Outputs are not simultaneous. Inquire forhigher energy (up to 350 mJ at 50 Hz, 250 mJ
at 100 Hz) custom models.
Averaged from pulses, emitted during 30 sec
time interval.
Measured over 8 hours period after 20 min
warm-up when ambient temperature variationis less than ± 2 °C and humidity <± 5%.

FWHM.
Near field (at the output aperture) TOP HAT fit
is >80%.
7) Full angle measured at the 1/e 2 level.
8) Beam pointing stability is evaluated as
movement of the beam centroid in the focal
plane of a focusing element.
9) Beam diameter is measured at 1064 nm at the1/e² level.
10) Adequate room air conditioning should beprovided.
5)

6)

DANGERVISIBLE AND/OR INVISIBLE LASER RADIATIONAVOID EYE OR SKIN EXPOSURE TO DIRECTREFLECTED OR SCATTERED RADIATION
Nd:YAG 1064 nm, 532 nm, 355 nm
Max. 190 mJ, pulse 3 – 6 ns
CLASS IV LASER PRODUCTSAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E-MAIL SALES@EKSPL A.COM WWW.EKSPL A.COM   REV. 240116

Fig 2. NL230 series laser typical far field beamprofileFig 1. NL230 series laser typical near field beamprofileMeasurevaluemeanminmaxsdevnum

P1.ddelay
72.011 ns
72.044 ns
71.456 ns
72.552 ns
156.11 ps
4.697 × 10³

P2.width5.507 ns
5.482 ns5.167 ns
5.970 ns
81.27 ps
4.697 × 10³P3.area
2.358455 mVs
2.355738 mVs
2.277066 mVs
2.409653 mVs
16.89196 pVs
4.697 × 10³

Nanosecond Tunable Wavelength Lasers

PERFORMANCE

Nanosecond
Nanosecond Lasers

NL230 series

NANOSECOND LASERS

Fig 3. NL230 laser pulse waveformO U T L I N E D R AW I N G S

35871200110167174189

NL230

22525110150
290

O R D E R I N G I N F O R M AT I O N

755050

NL231-H230THC
ModelFig 4. Typical
NL230 series laser
head outline drawing

Optional harmonic
generator modules

Note: Laser must be connected to the mains
electricity all the time. If there will be no mains
electricity for longer that 1 hour then laser (system)needs warm up for a few hours before switching on.

www.phototechnica.co.jp〒336-0017 埼玉県さいたま市南区南浦和 1-2-17

TEL:048-871-0067 FAX:048-871-0068

e-mail:voc@phototechnica.co.jp
REV. 240116

SAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E-MAIL SALES@EKSPL A.COM WWW.EKSPL A.COM33