High power thin disk Ho:YAG laser

Jochen Speiser; Günther Renz; Adolf Giesen

doi:10.1117/12.873788

15 February 2011 High power thin disk Ho:YAG laser

Jochen Speiser, Günther Renz, Adolf Giesen

Proceedings Volume 7912, Solid State Lasers XX: Technology and Devices; 79120C (2011) https://doi.org/10.1117/12.873788
Event: SPIE LASE, 2011, San Francisco, California, United States

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.

Citation Download 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 (15 February 2011); https://doi.org/10.1117/12.873788

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