940nm 2W VCSEL

2019-03-13 16:59:46 136

940nm VCSEL Array – 2W Bare Chip

Part number: CAS9402W

Product Description & Features

·       940nm Vertical-Cavity Surface-Emitting Laser array with output power of 2W

·       Very low wavelength-temperature sensitivity

·       Chip on submount or heatsink is available upon request

·       Other wavelengths, chip dimensions, and emitter patterns are available upon request

Typical Applications

·       Gesture Recognition

·       Automotive sensing

·       Time of Flight

·       IR illumination

Electro-Optical Characteristics 

Parameters

Symbol

Min

Typical

Max

Units

Test Condition

Optical Output Power

POP

1.8

2

W

CW 2.5A 25

Threshold Current

Ith

0.4

0.6

A

CW 25

Operating Current

      Iop

2.5

2.9

A

CW 25

Differential resistance

Rs

0.23

0.5

W

CW 2.5A 25

Operating Voltage

Vop

2.2

2.5

V

CW 2.5A 25

Slope Efficiency

η_s

0.8

1

W/A

CW 2.5A 25

Power Conversion Efficiency

PCE

30

37

%

CW 2.5A 25

Wavelength

λpeak

930

940

950

nm

CW 2.5A 25

Spectral Width (RMS)

Δλ

1

1.5

nm

CW 2.5A 25

Beam Full Divergence (1/e­­­2)

ϕ

18

22

26

°

CW 2.5A 25

Wavelength coefficient

dλ/dT

0.07

nm/°C

CW 2.5A

All tests are under CW condition with heatsink temperature 25 unless otherwise specified.


Typical Performance Curves at 25°C  

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Mechanical Characteristics

Parameter

Ratings

Units

Number of emitters

431

#

Emitter pitch

42

µm

Chip Width

980±15

µm

Chip Length

980±15

µm

Chip Height

100±10

µm

Anode Contact

Emission side, Au surface

-

Anode bonding pad

113 X794

µm x µm

Cathode Contact

Backside, Au surface



940 2w.png


Chip dimension layoutunit:µm 

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Absolute Maximum Ratings

Parameter

Conditions

Units

Operating Temperature

0 to 70

°C

Storage Temperature

-40 to 85

°C

Stresses beyond the parameters listed under Absolute Maxim Ratings may cause permanent damage to the chips.


Shipping Instruction

The unmounted chips are shipped on adhesive blue tape rings or Gel-Pak boxes.  

Copyright ©Vertilite Inc.   Note: No responsibility is assumed for the use of these products. The products can emit Class IV radiation and must be operated with extreme care. Avoid directly viewing the laser beam or exposure to specular reflections. Proper eye-wear must be worn at all times when operating. VCSEL Chips are electrostatic-sensitive device and proper ESD protection is required for handling.

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