Yb添加ファイバによる高エネルギー・高繰り返しパルス発生 High Energy and High Repetition Rate Pulse Generation Using Ytterbium-Doped Fiber

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With the invention of large-mode-area fiber and cladding pump technique, output power of rare-earth doped fiber lasers were significantly enhanced in recent years. Fiber-based systems have many attractive features such as constant beam quality independent of laser power, high optical efficiency, and easy heat removal. However, "bulk solid-state-laser" is still a choice of geometry in high-pulse-energy regime. Scaling of pulse energy with a fiber-based system is limited mainly due to damage threshold, nonlinear effect, and energy dissipation induced by parasitic lasing. To overcome these issues, we selected a combination of a Nd: YAG laser oscillator and a large-core fiber amplifier. The system producing 24m J pulse energy with repetition rate of 2k Hz was demonstrated. The pulse energy is, to our knowledge, the highest number obtained at more than 1k Hz range.

収録刊行物

  • レーザー研究  

    レーザー研究 36(5), 286-288, 2008-05-15 

    The Laser Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021105795
  • NII書誌ID(NCID)
    AN00255326
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03870200
  • NDL 記事登録ID
    9520919
  • NDL 雑誌分類
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL 請求記号
    Z16-1040
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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