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

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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 of in the a(b) axis at 0.532 and 1.064 μm wavelength. This result is consistent with the mechanical strength tests for various directions of KDP crystal.

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Authors and Affiliations

  1. Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka, 565-0871 Japan (Fax: +81-06/6877-0900, E-mail: hideyo@ile.osaka-u.ac.jp), , , , , , JP

    H. Yoshida, T. Jitsuno, H. Fujita & M. Nakatsuka

  2. Department of Electrical Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871 Japan, , , , , , JP

    M. Yoshimura & T. Sasaki

  3. Department of Electronic Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Osaka 535-8585 Japan, , , , , , JP

    K. Yoshida

Authors
  1. H. Yoshida
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  2. T. Jitsuno
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  3. H. Fujita
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  4. M. Nakatsuka
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  5. M. Yoshimura
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  6. T. Sasaki
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  7. K. Yoshida
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Additional information

Received: 19 February 1999 / Revised version: 3 September 1999 / Published online: 27 January 2000

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Yoshida, H., Jitsuno, T., Fujita, H. et al. Investigation of bulk laser damage in KDP crystal as a function of laser irradiation direction, polarization, and wavelength . Appl Phys B 70, 195–201 (2000). https://doi.org/10.1007/s003400050032

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  • DOI: https://doi.org/10.1007/s003400050032

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