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Proceedings Paper

High power thin disk Ho:YAG laser
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Paper 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.

Paper Details

Date Published: 16 February 2011
PDF: 9 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79120C (16 February 2011); doi: 10.1117/12.873788
Show Author Affiliations
Jochen Speiser, German Aerospace Ctr. (Germany)
Günther Renz, German Aerospace Ctr. (Germany)
Adolf Giesen, German Aerospace Ctr. (Germany)


Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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