フェムト秒レーザー誘起プラズマ軟X線とその物性応用 Soft X-ray from Femtosecond Laser Produced Plasma and Its Application to Material Science

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Generation properties of the soft X-ray from femtosecond laser produced plasma are reported. Table-top-tera watt Ti: Al<SUB>2</SUB>O<SUB>3</SUB> laser system with a pulse width of 100 fs and a repetition rate of 10 Hz is used in the experiment. Spectra and pulse duration properties of the soft X-ray obtained from fs laser produced various metal plasmas are discussed. The typical soft X-ray spectra for various metal targets with different atomic numbers are experimentally obtained. The minimum pulse duration of 6 ps is measured by X-ray streak camera in the single pulse excitation to the target. As this value is limited by the instrument resolution, the further short pulse duration may be expected. The efficient soft X-ray generation is also demonstrated by adopting the double pulse irradiation to the target. Especially, by using this scheme, Nd doped glass targets generate the large photon number of 10<SUP>11</SUP> photon/(Å· Sr) at 8±0.05 nm. Application of the X-ray produced by femtosecond laser pulse to material science is also reviewed. Preliminary experiment of double resonance reflection spectrum change at near Si L<SUB>2, 3</SUB> absorption edge is demonstrated.

収録刊行物

  • 表面科学  

    表面科学 20(3), 160-165, 1999-03-10 

    The Surface Science Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002267300
  • NII書誌ID(NCID)
    AN00334149
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03885321
  • NDL 記事登録ID
    4679539
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z15-379
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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