論文

査読有り
2022年5月1日

Bulk laser-induced damage resistance of SrB4O7 single crystals under 266 nm DUV laser irradiation

Japanese Journal of Applied Physics
  • Yutaka Maegaki
  • Yasunori Tanaka
  • Haruki Marui
  • Atsushi Koizumi
  • Kota Tanaka
  • Tomosumi Kamimura
  • Ryota Murai
  • Yoshinori Takahashi
  • Melvin John F. Empizo
  • Shigeyoshi Usami
  • Masayuki Imanishi
  • Mihoko Maruyama
  • Yusuke Mori
  • Masashi Yoshimura
  • 全て表示

61
5
開始ページ
052005-1
終了ページ
052005-5
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.35848/1347-4065/ac61f5
出版者・発行元
IOP Publishing

Abstract

The bulk laser-induced damage threshold (LIDT) of a strontium tetraborate (SrB4O7, SBO) single crystal has been measured for the first time. Single-shot and multi-shot tests are carried out using a 266 nm deep ultraviolet (DUV) laser. Under single-shot irradiation, the bulk LIDT of SBO crystal is 1.5 times higher than that of synthetic silica glass. On the other hand, under multi-shot irradiation, the bulk LIDT of SBO is also higher than synthetic silica glass regardless of the number of shots. When the number of shots increased from 102 to 104, SBO crystal’s bulk LIDT has only decreased by less than 11% compared to 44% of synthetic silica glass. Although the damage mechanism of SBO crystal under multi-shot irradiation is considered to be due to material modification fatigue, SBO single crystals are found to be excellent optical materials that exhibit bulk laser-induced damage resistance in the DUV region.

リンク情報
DOI
https://doi.org/10.35848/1347-4065/ac61f5
URL
https://iopscience.iop.org/article/10.35848/1347-4065/ac61f5
URL
https://iopscience.iop.org/article/10.35848/1347-4065/ac61f5/pdf
ID情報
  • DOI : 10.35848/1347-4065/ac61f5
  • ISSN : 0021-4922
  • eISSN : 1347-4065

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