940nm 4W VCSEL

2019-07-19 09:40:12

940nm VCSEL Array – 4W Bare Chip(Preliminary)

Part number: CAS9404W

Product Description & Features

·      940nm Vertical-Cavity Surface-Emitting Laser array with output power of 4W

·       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

3.7

4

W

25°C  CW  5A

Threshold Current

Ith

1

1.5

A

25°C  CW

Operating Current

        Iop

5

6

A

25°C  CW

Differential resistance

Rs

120

180

mW

25°C  CW  5A

Operating Voltage

Vop

--

2.2

2.5

V

25°C  CW  5A

Slope Efficiency

η_s

0.8

1.0

W/A

25°C  CW  5A

Power Conversion Efficiency

PCE

30

37

%

25°C  CW  5A

Wavelength

λpeak

930

940

950

nm

25°C  CW  5A

Spectral Width (RMS)

Δλ

1

1.5

nm

25°C  CW  5A

Beam Full Divergence (1/e2)

ϕ

15

19

23

°

25°C  CW  5A

Wavelength coefficient

dλ/dT

0.07

nm/°C

CW  5A

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


Typical Performance Curves at 25°C

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Mechanical Characteristics

Parameter

Ratings

Units

Number of emitters

977

#

Emitter pitch

42

µm

Chip Width

1420±15

µm

Chip Length

1480±15

µm

Chip Height

100±10

µm

Anode Contact

Emission side, Au surface

-

Anode bonding pad

590.5 X107

µm x µm

Cathode Contact

Backside, Au surface



940nm 4W VCSEL


Chip dimension layoutunitµm

Vertilite Corporation


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 .   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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