940nm 15W Laser Diode  COS(Chip on Submount) Laser Chip 940A-190-15-4-COS

$32.00

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940nm 15W Laser Diode  COS(Chip on Submount) Laser Chip 940A-190-15-4-COS

[Features]
High laser power
High efficiency.
Excellent beam characteristics.
Long lifetime, high reliability.

[Applications]
Laser Display 
Laser Illumination 
Medical & Cosmetics 
Scientific Research

Note:
1. Lead time: Some chips are in stock, and it will take 2 to 3 weeks if there is no stock.
2. Wholesale price: >100 pcs order, please contact us, the price has a bigger discount.
3. Country of origin: Made In China

[Specifications]

Parameters

Symbol

Min.

Typical

Max.

Unit

Operation

Center wavelength

λ

 

940

 

nm

Output power

Po

 

15

 

W

Operation mode

 

 

CW

 

 

Geometrical

Emitter width

w

 

190

 

μm

Cavity length

L

 

4000

 

μm

Chip width

W

 

500

 

μm

Chip height

H

 

150

 

μm

Electro Optical Data

Threshold current

Ith

 

1.1

 

A

Operating current

Iop

 

 

15

A

Operating voltage

Vop

 

1.6

 

V

Slope efficiency

ηd=Po/(Iop - Ith)

 

1.1

 

W/A

Total conversion efficiency

η=Po/(Iop x Vop)

 

63

 

%

Slow axis divergence ②

θ∥

 

9

 

degrees

Fast axis divergence ③ 

θ⊥

 

30

 

degrees

Spectral Bandwidth ③

△λ

 

3

 

nm

Polarization

 

 

TE

 

 

Note:
①. Mounted on a heat sink coolant temperature 25℃, operating at nominal power
②. Full width at 95% power content
③. FWHM (Full width half maximum).

 

laser chip

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COS laser chip

COS laser chip

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