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Proceedings Paper

Design and modeling of kW-class thin-disk lasers
Author(s): Martin Smrz; Patricie Severova; Tomas Mocek
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Paper Abstract

We present recent progress in development of high power directly diode pumped lasers based on the Yb:YAG thin-disk technology which are being constructed at the HiLASE project in the Czech Republic. Up to three laser chains, each delivering more than 1 J in 1 ps pulse with 1 kHz repetition rate should be built until 2015. In order to overcome technological barriers and optimize the amplifiers which are under construction, a new time-resolved numerical model suitable for describing of quasi-three-level active media operateing at room temperature in the thin-disk laser head is being created. The model is based on Monte Carlo ray-tracing and considers decreasing of the upper laser level population due to the amplified spontaneous emission. In the near future, the model will be used for optimizing of a 2- heads Yb:YAG zero phonon line pumped regenerative amplifier delivering up to 100 mJ in 1 ps pulse and 1 kHz repetition rate.

Paper Details

Date Published: 15 February 2012
PDF: 8 pages
Proc. SPIE 8235, Solid State Lasers XXI: Technology and Devices, 82350R (15 February 2012); doi: 10.1117/12.908904
Show Author Affiliations
Martin Smrz, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Patricie Severova, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Tomas Mocek, Institute of Physics of the ASCR, v.v.i. (Czech Republic)

Published in SPIE Proceedings Vol. 8235:
Solid State Lasers XXI: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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