DATA SHEET####EYP-RWS-0780-00080-1500-TOV01-0000

Revision 0.81
2021-02-19

SINGLE FREQUENCY LASER DIODES
Stabilized Ridge Waveguide Laser
General Product Information
ProductApplication

780 nm Wavelength Stabilized Laser

Metrology

with hermetic 8-Pin TO Package (RoHS compliant)Interferometry

including Monitor Diode, Thermoelectric Cooler and Thermistor

Absolute Maximum Ratings
SymbolUnit

minTS°C-40

Operational Temperature at Case

TC°C

-2075

Operational Temperature at Laser Chip

TLD°C

050

ParameterStorage Temperaturetypmax85

Forward CurrentIFmA

200

Reverse VoltageVRV2Output PowerPoptmW

100

TEC Current

ITECA

1.0

TEC Voltage

VTECV

1.0

Measurement Conditions / Comments
Stress in excess of one of the Absolute Maximum
Ratings may damage the laser. Please note that adamaging optical power level may occur although themaximum current is not reached. These are stressratings only, and functional operation at these or any
other conditions beyond those indicated underRecommended Operational Conditions is not implied.

Recommended Operational Conditions
Parameter

SymbolUnitmin

Operational Temperature at Case

Tcase°C-2065

Operational Temperature at Laser Chip

TLD°C

1545

Forward Current

IFmA

Output Power

PoptmW

Characteristics at TLD

typmax

Measurement Conditions / Comments
measured by integrated Thermistor

180
2080= 25° C at BOL

Parameter
Center Wavelength

SymbolUnitmin

typmax

C

nm

778

780

783

Measurement Conditions / Comments

Selectable Linewidth

pm

0.1

single mode operation (see p. 4)

Overall Linewidth

nm

0.2

multi mode operation (see p. 4)

Temperature Coefficient of Wavelengthd / dT

nm / K

0.06

Current Coefficient of Wavelengthd / dI

nm / mA

0.003

Sidemode Supression Ratio

SMSRdB3045eagleyard Photonics GmbH
Rudower Chaussee 2912489 Berlin GERMANY
www.toptica-eagleyard.com info@toptica-eagleyard.com fon +49.30.6392 4520

1/4

under single mode condition

This data sheet is subject to change without notice.
© eagleyard Photonics

DATA SHEET####EYP-RWS-0780-00080-1500-TOV01-0000

Revision 0.81
2021-02-19

SINGLE FREQUENCY LASER DIODES
Stabilized Ridge Waveguide Laser
Characteristics at TLD= 25° C at BOL
SymbolParameter
Laser Current @ Popt =cont'dUnitmintyp0.6

1.0max

Measurement Conditions / CommentsILDmA

Slope Efficiency

W/AThreshold Current

IthmA

Divergence parallel (FWHM)

°

8parallel to Pin 1 - Pin 6 plane (see p. 3)

Divergence perpendicular (FWHM)

°

21

perpendicular to Pin 1 - Pin 6 plane (see p. 3)

Parameter

SymbolUnit

Monitor Detector Responsivity

Imon / Popt

μA/mW

Parameter

SymbolUnit

Current

ITEC

A

0.4

Popt = 80 mW, ΔT = 20 K

Voltage

UTEC

V

0.4

Popt = 80 mW, ΔT = 20 K

Power Dissipation (total loss at case)

PlossW

0.4

Temperature Difference

TK80 mW

1801.470Monitor Diodemin

typmax

Measurement Conditions / Comments
UR = 5 V

2Thermoelectric Coolermintypmax

Measurement Conditions / Comments

Popt = 80 mW, ΔT = 20 K
40

Popt = 80 mW, ΔT = |Tcase - TLD|

max

Measurement Conditions / Comments

Thermistor (Standard NTC Type)
Parameter

SymbolUnitResistanceRk

Beta Coefficientmin

typTLD = 25° C

10

R1 / R2 = e (1/T1 - 1/T2) at TLD =3930-3A

1.029 x 10

Steinhart & Hart Coefficient B

B

2.510 x 10 -4

T: temperature in Kelvin

Steinhart & Hart Coefficient CC

1.051 x 10 -7

R: resistance at T in Ohm

eagleyard Photonics GmbH
Rudower Chaussee 2912489 Berlin GERMANY
www.toptica-eagleyard.com info@toptica-eagleyard.com fon +49.30.6392 4520

2/4

0° … 50° C

1/T = A + B(ln R) + C(ln R)3

Steinhart & Hart Coefficient A

This data sheet is subject to change without notice.
© eagleyard Photonics

DATA SHEET####EYP-RWS-0780-00080-1500-TOV01-0000

Revision 0.81
2021-02-19

SINGLE FREQUENCY LASER DIODES
Stabilized Ridge Waveguide Laser
Pin Assignment
1Laser Diode Anode

5Thermistor

2Laser Diode Cathode

6Thermistor

3

Thermoelectric Cooler (-)

7

Photo Diode Anode

4

Thermoelectric Cooler (+)

8

Photo Diode CathodeAll 8 pins are isolated from case.

bottom view

Package Drawings

AIZ-19-0129-1426B

eagleyard Photonics GmbHRudower Chaussee 2912489 Berlin GERMANY
www.toptica-eagleyard.com info@toptica-eagleyard.com fon +49.30.6392 4520

3/4This data sheet is subject to change without notice.
© eagleyard Photonics

DATA SHEET####EYP-RWS-0780-00080-1500-TOV01-0000

Revision 0.81
2021-02-19

SINGLE FREQUENCY LASER DIODES
Stabilized Ridge Waveguide Laser
Typical Measurement Results
Spectral maps at 25° C and 35° C
The spectral maps show the power spectral density atdifferent operating modes. The graphs illustrate thatthe laser exhibits single and multi mode behavior
under different operational conditions. The spectral
maps may differ from part to part. Single mode
operation can be achieved by selecting theappropriate laser current and temperature.

Unpacking, Installation and Laser Safety

Unpacking the laser diodes should only be done at electrostatic safe workstations (EPA). Though protection
against electro static discharge (ESD) is implemented in the laser package, charges may occur at surfaces.
Please store this product in its original package at a dry, clean place until final use. During device
installation, ESD protection has to be maintained.
laser emission
The RWS laser is sensitive against optical feedback, so an optical isolator may be required in order to avoid
any disturbance of the emission spectrum. Operating at moderate temperatures on proper heat sinks willcontribute to a long lifetime of the diode.

INVISIBLE LASER RADIATIONAVOID EYE OR SKIN EXPOSURE
TO
DIRECT OR SCATTERED RADIATION

CLASS 4 LASER PRODUCTWAVELENGTH 780 nm

Avoid direct and/or indirect exposure to the free running beam. Collimating and focussing the free runningbeam with optics as common in optical instruments will increase threat to the human eye.

Performance figures, data and any illustrative material provided in this specification are typical and must be
specifically confirmed in writing by eagleyard Photonics before they become applicable to any particularorder or contract. In accordance with the eagleyard Photonics policy of continuous improvement
specifications may change without notice.

MAX. OUTPUT POWER 100 mW
IEC-60825-1

INVISIBLE LASER RADIATIONAVOID EYE OR SKIN EXPOSURE TO
DIRECT OR SCATTERED RADIATIONGaAs SEMICONDUCTOR LASER DIODE

100 mW MAX OUTPUT AT 780 nm

CLASS IV LASER PRODUCTComplies with 21 CFR 1040.10 and 1040.40

eagleyard Photonics GmbHRudower Chaussee 2912489 Berlin GERMANY
www.toptica-eagleyard.com info@toptica-eagleyard.com fon +49.30.6392 4520

4/4This data sheet is subject to change without notice.
© eagleyard Photonics