SemiConductor Devices

QCW 840

V-Shape QCW diode

Description Typical Performance Applications Characteristics Downloads

QCW-840 is fully qualified and delivered for diode pumping solid state applications such as laser designators and range finders. Could use multiple wavelength's bars.



Diode Type


Output peak Power

≥980 W

Threshold Current

< 20 A

Drive Current

≤80 A

Operating Voltage

≤28 V

Slope Efficiency (per bar)

>1 W/A

Conversion Efficiency

≥45 %

Center Wavelength

808 ±3 nm

Spectral Width (FWHM)

4 nm 

Beam Divergence (FWHM)


Emitting Area

2.4x10.2 mm


24x10.6x14.5 mm

Duty Cycle


Number of Bars

7 bars each stack

Bar to Bar Pitch

0.4 mm 

Heat Seak Temperature

55 °C

  • Diode pumped solid state lasers
  • Range Finders
  • Designators



  • High temperature operation
  • Qualified supplier of the USA Army
  • Long operating life
  • Designed for harsh environment
  • Dimensions and interface can modify to customer needs
  • 7 bars each stack, numerous wavelength's
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