Advanced concepts of Ho3+:YAG and ZGP OPO sources

Katharina Goth; Marius Rupp; Michael Griesbeck; Madeleine Eitner; Marc Eichhorn; Christelle Kieleck

doi:10.1117/12.3031431

1 November 2024 Advanced concepts of Ho³⁺:YAG and ZGP OPO sources

Katharina Goth, Marius Rupp, Michael Griesbeck, Madeleine Eitner, Marc Eichhorn, Christelle Kieleck

Proceedings Volume 13201, High-Power Lasers and Technologies for Optical Countermeasures II; 1320102 (2024) https://doi.org/10.1117/12.3031431
Event: Security + Defence, 2024, Edinburgh, United Kingdom

Abstract

Advanced resonator designs for Ho³⁺:YAG lasers and ZGP OPOs are presented. A segmented Ho³⁺:YAG crystal for power scaling was investigated. An improved power performance could not be shown up to 60W of output power, which is attributed to the low overall crystal temperature. Exploiting the Porro prism resonator concept for the first time, a 200-times increased alignment tolerance compared to a corresponding mirror resonator was achieved. The performance of a ZGP OPO could be improved by a negative lens in the resonator, which significantly enhances the beam quality.

Conference Presentation

Citation Download Citation

Katharina Goth, Marius Rupp, Michael Griesbeck, Madeleine Eitner, Marc Eichhorn, and Christelle Kieleck "Advanced concepts of Ho³⁺:YAG and ZGP OPO sources", Proc. SPIE 13201, High-Power Lasers and Technologies for Optical Countermeasures II, 1320102 (1 November 2024); https://doi.org/10.1117/12.3031431

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