638nm Single Mode Laser Diode

638nm Single Mode Laser Diode

Laser diode provided by EF optics at 638 nm in TO 18 package provide state-of-the-art power and brightness. The single mode, narrow line width, small emitting aperture, combined with low beam divergence, make these devices the highest-brightness family of CW diode lasers available in the industry.

Standard Product Specifications for 638 nm Diodes

Item

Symbol

SLD-638-150

Units

CW Output Power 

P

150

mW

Peak Wavelength 

λp

638±5

nm

Threshold Current 

Ith

≤0.11

A

Operating Current 

Iop

≤0.28

A

Slope Efficiency 

η

≥0.7

W/A

Operating Voltage 

Vop

≤2.6

V

Horizontal Beam Divergence

θ

≤9

deg

Vertical Beam Divergence

θ

≤17

deg

Spectrum FWHM   <0.5 nm
Wavelength Temperature Coefficient

 

0.2

nm/

Polarization 

 

TE

 

Storage Temperature 

Tstg

-40~85

Operating Temperature 

Tc

-10~40


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Contact us sales@eforcelaser.com.au