850nm 2W VCSEL

2019-06-18 16:16:09 431

850nm VCSEL Array – 2W Bare Chip(Preliminary)

Part number: CAS8502W

Product Description & Features

·       850nm 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 2.75A 25°C

Threshold Current

Ith

0.7

1.0

A

CW 25°C

Operating Current

      Iop

2.7

3.1

A

CW 25°C

Differential resistance

Rs

190

240

mW

CW 2.75A 25°C

Operating Voltage

Vop

2.1

2.5

V

CW 2.75A 25°C

Slope Efficiency

η_s

0.8

1

W/A

CW 2.75A 25°C

Power Conversion Efficiency

PCE

30

35

%

CW 2.75A 25°C

Wavelength

λpeak

840

850

860

nm

CW 2.75A 25°C

Spectral Width (RMS)

Δλ

1

1.5

nm

CW 2.75A 25°C

Beam Full Divergence (1/e2)

ϕ

21

25

29

°

CW 2.75A 25°C

Wavelength coefficient

dλ/dT

0.07

nm/°C

CW 2.75A

       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

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



Vertilite Corporation


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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