Laser Bar Stack 20 x 1.5 mm Cavity Length

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Laser Bar Stack 20 x 1.5 mm Cavity Length

SKU: 641

Part Number: STK-104

Availability: Lead time: Call

SemiNex's High Power Laser Bar Stacks are an excellent choice for customers seeking extremely high power in a state-of-the-art low cost submount. These lasers are provided across the InP wavelength range of 12xx to 19xx nm. Multiple configurations including 5, 10, 15, 20 and 25 bar stacks are available with both 1.5 and 2.5 mm cavity lengths. Applications for SemiNex's mounted laser bars include OEM medical, Materials Processing, Military targeting, range finding and illumination. Custom wavelengths and configurations available upon request.
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  • Wavelength: 1470 nm

  • Power: 345 W CW

  • Aperture:  95 um

  • Mode: Multi Mode

  • Cavity Length: 1500 µm

Symbol Value Units
Wavelength λc 1470 nm(+/-20)
Output Power (CW) Po 345 watts
Spectral Width Δλ 20 nm 3dB
Cavity Length CL 1500 μm
Emitter Width W 95 μm
Emitter Height H 1 μm
Temp. Coefficient Δλ/ΔλT 0.55 nm/C
Slope Efficiency ηo 5.78 W/A
Slow Axis Divg. θ_parallel 9 deg FWHM
Fast Axis Divg. θ_perp 28 deg FWHM
Number of emitters   380  
Duty Cycle DC 100 %
Power Conversion Eff. η 21 Min
Threshold Current Ith 10 A
Operating Current Iop 65 A
Operating Voltage Vop 25.8 V
Series Resistance Rs 0.12 ohm
Storage Temp. -40 to 80 °C
Operating Temp. -40 to 60 °C
Laser Engine Misc
LE X Axis Divergence θ_X 28 deg FWHM
LE Y Axis Divergence θ_Y 9 deg FWHM
Cool with deionized water with flow rate of 0.3 to 0.4 liters per minute and 380 kPa inlet pressure.
Specified values are rated at a constant heat sink temperature of 20oC.

Export license is not required for shipment to the US and most of Europe. For shipments to other countries please click this hyperlink to Regulation Number 6A005.



SemiNex delivers the highest available power at infrared wavelengths between 12xx and 19xx nm. When necessary we will further optimize the design of our InP laser chips to meet our customers' specific optical and electrical performance needs. Diodes, bars and packages are tested to meet customer and market performance demands. Typical results and packaging options are shown. Contact SemiNex for additional details or to discuss your specific requirements.
Click here to see product information sheet


  • Material Processing
  • Professional Medical
  • Military / Aerospace
  • Illumination

  • Cost Effective
  • High Output Power
  • High Dynamic Range
  • High Efficiency
  • Standard Low Cost Package

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