HiLASE cryogenically-cooled diode-pumped laser prototype for inertial fusion energy

Antonio Lucianetti; Martin Divoky; Magdalena Sawicka; Pawel Sikocinski; Venkatesan Jambunathan; Jan Pilar; Ondrej Slezak; Viliam Kmetik; Jakub Novak; Martin Fibrich; Bedrich Rus; Jöerg Koerner; Joachim Hein; Tomas Mocek

doi:10.1117/12.999957

18 February 2013 HiLASE cryogenically-cooled diode-pumped laser prototype for inertial fusion energy

Antonio Lucianetti, Martin Divoky, Magdalena Sawicka, Pawel Sikocinski, Venkatesan Jambunathan, Jan Pilar, Ondrej Slezak, Viliam Kmetik, Jakub Novak, Martin Fibrich, Bedrich Rus, Jöerg Koerner, Joachim Hein, Tomas Mocek

Author Affiliations +

Proceedings Volume 8602, High Power Lasers for Fusion Research II; 860208 (2013) https://doi.org/10.1117/12.999957
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We present the design parameters of a diode-pumped 100J-class multi-slab Yb:YAG laser at 10 Hz scalable to the kJ regime. Results of detailed energetics and thermo-optical modeling confirm the viability of cryogenic helium-gas cooling approach to drastically reduce thermally-induced distortions in the laser slabs. In addition, a comparison of spectral measurements from laser-diode stacks and Yb:YAG crystals validates the feasibility of highly efficient diode-pumped solid-state lasers at cryogenic temperatures.

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Antonio Lucianetti, Martin Divoky, Magdalena Sawicka, Pawel Sikocinski, Venkatesan Jambunathan, Jan Pilar, Ondrej Slezak, Viliam Kmetik, Jakub Novak, Martin Fibrich, Bedrich Rus, Jöerg Koerner, Joachim Hein, and Tomas Mocek "HiLASE cryogenically-cooled diode-pumped laser prototype for inertial fusion energy", Proc. SPIE 8602, High Power Lasers for Fusion Research II, 860208 (18 February 2013); https://doi.org/10.1117/12.999957

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