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Proceedings Article

High power thin disk Ho:YAG laser

[+] Author Affiliations
Jochen Speiser, Günther Renz, Adolf Giesen

German Aerospace Ctr. (Germany)

Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79120C (February 15, 2011); doi:10.1117/12.873788
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From Conference Volume 7912

  • Solid State Lasers XX: Technology and Devices
  • W. Andrew Clarkson; Norman Hodgson; Ramesh Shori
  • San Francisco, California, USA | January 22, 2011

abstract

The thin disk laser is a successful concept for high output power and/or high pulse energy, high efficiency and good beam quality in the 1 μm range. Holmium-doped materials are a promising approach to transform this success to the 2 μm range. Ho:YAG is especially interesting for high pulse energies due to the long fluorescence lifetime (~ 8 ms) which provides good energy storage capabilities. We have realized a Ho:YAG thin-disk laser with a cw output power of 15 W at 2.09 μm and a maximum optical-to-optical efficiency of 37%. The laser was pumped with a Tm-fiber laser. Numerical simulations are used for further characterization.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Jochen Speiser ; Günther Renz and Adolf Giesen
"High power thin disk Ho:YAG laser", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79120C (February 15, 2011); doi:10.1117/12.873788; http://dx.doi.org/10.1117/12.873788


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