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Coherent G-Stack Diode Lasers

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Coherent G-Stack Diode Lasers

Coherent G-Stack Diode Lasers

Conduction-cooled QCW arrays for pumping, illumination, and direct diode needs


PulseLife G-stacks set the highest standard of reliability for vertical conduction-cooled QCW diode stacks. Coherent's proprietary PulseLife hard solder technology enables output powers of >200W/bar QCW and high operating temperatures, with reliability >1e9 shots. Standard packages are available with as many as 16 diode laser bars in a single stack. G-stacks are available in a wide variety of wavelengths including "rainbow stack" (multiple-wavelength) options for temperature insensitive pumping.



  • Conduction-cooled 2-bar through 16-bar vertical stacks with up to 3200W QCW output power
  • Unique AAATM design for highest reliability and lifetime
  • PulseLifeTM hard-solder technology
  • Custom power, wavelength, temperature and form factor options available

For further information please contact us or download the datasheet.


PulseLife G-Stack datasheet                                                  Read more on Coherent's website