Bulk laser damage in KDP crystal as a function of laser irradiation direction, polarization, and wavelength

Hidetsugu Yoshida; Takahisa Jitsuno; Hisanori Fujita; Masahiro Nakatsuka; Masashi Yoshimura; Takatomo Sasaki; Kunio Yoshida

doi:10.1117/12.354196

23 July 1999 Bulk laser damage in KDP crystal as a function of laser irradiation direction, polarization, and wavelength

Hidetsugu Yoshida, Takahisa Jitsuno, Hisanori Fujita, Masahiro Nakatsuka, Masashi Yoshimura, Takatomo Sasaki, Kunio Yoshida

Author Affiliations +

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354196
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

Bulk laser induced damage in KDP crystal was measured using a single-shot 1-ns pulse Nd:YAG laser in a transverse and longitudinal single mode. It is found that the damage threshold of KDP single crystal depends on the laser irradiation direction, polarization direction and laser wavelength. The damage threshold in the direction of c-axis is about two times higher than that in the a(b)-axis at 0.532 and 1.064-micrometers wavelength. This result consistent with the experimental results that (001) direction is mechanically weaker than (100) direction with the result of mechanical strength tests.

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Hidetsugu Yoshida, Takahisa Jitsuno, Hisanori Fujita, Masahiro Nakatsuka, Masashi Yoshimura, Takatomo Sasaki, and Kunio Yoshida "Bulk laser damage in KDP crystal as a function of laser irradiation direction, polarization, and wavelength", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354196

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