Second-harmonic generation with free-running Nd:YAG laser

Sebastian Favre; Thomas C. Sidler; Rene-Paul Salathe

doi:10.1117/12.537465

14 November 2003 Second-harmonic generation with free-running Nd:YAG laser

Sebastian Favre, Thomas C. Sidler, Rene-Paul Salathe

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.

Citation Download Citation

Sebastian Favre, Thomas C. Sidler, and 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); https://doi.org/10.1117/12.537465

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