配向N_2及びO_2分子からの高次高調波発生の角度依存性 Angle-Dependent High-Order Harmonic Generation from Aligned N_2 and O_2 Molecules

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This paper reports the results of high-order harmonic generation (HHG) observed by changing the angleαbetween polarization directions in the pump and probe experiment using high-intensity femtosecond laser pulses. Theα-dependent HHG from an ensemble of aligned O<SUB>2</SUB> molecules was observed to be very similar to that from N<SUB>2</SUB>, being contrary to what was expected from the higher occupied molecular orbital of a single O<SUB>2</SUB> molecule. It is shown that the characteristic angle dependence for O<SUB>2</SUB> is due to low degree of alignment of molecules that can be achieved in the pump-probe experiment. The experimental results for N<SUB>2</SUB> and O<SUB>2</SUB> are in good agreement with those calculated using the recently developed theory. This demonstrates the validity of the theory in describing the characteristic properties of HHG from aligned N<SUB>2</SUB> and O<SUB>2</SUB>.

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  • レーザー研究  

    レーザー研究 36(5), 294-298, 2008-05-15 

    The Laser Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021105825
  • 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
    9520943
  • 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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