14 November 2003 Second-harmonic generation with free-running Nd:YAG laser
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Proceedings Volume 5147, ALT'02 International Conference on Advanced Laser Technologies; (2003) https://doi.org/10.1117/12.537465
Event: ALT'02 International Conference on Advanced laser Technologies, 2002, Adelboden, Switzerland
Abstract
First results and analysis of second harmonic generation with a Nd:YAG laser working in the long pulse, free running mode are presented in this paper. Second harmonic generation conversion efficiencies of up to 17.5% and pulse powers of 162W have been generated with a free running Nd:YAG laser and a KTP non-linear crystal. The conversion efficiency is limited by a saturation effect and optical damage occurring at ~50 times lower peak intensities than in the Q-switch mode. The saturation and damage mechanism involves creation of temporary 'color centers' induced by the second harmonic radiation and subsequent increased fundeamental wave absorption.
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Sebastian Favre, Sebastian Favre, Thomas C. Sidler, Thomas C. Sidler, Rene-Paul Salathe, Rene-Paul Salathe, } "Second-harmonic generation with free-running Nd:YAG laser", Proc. SPIE 5147, ALT'02 International Conference on Advanced Laser Technologies, (14 November 2003); doi: 10.1117/12.537465; https://doi.org/10.1117/12.537465
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