書誌事項
- タイトル別名
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- Time- and Frequency-Resolved Study on a Vibrational Wavepacket of H2 +/D2 + Using Intense Attosecond Pulse Trains
- コウキョウド アトビョウ パルスレツ オ モチイタ スイソ イオン シンドウハ ソク ノ ケンキュウ
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We observed the ultrafast dynamic evolution of vibrational wave packets generated in the ground electronic state of a D2 +/H2 + ion using a pair of attosecond pulse trains (APTs), formed with the high- (7th-order and higher) and low- (5th-order and lower) order harmonic fields of a sub-15 fs Ti:sapphire laser pulse. The kinetic energy release spectrum of the fragment ions of D+/H+ exhibited a twodimensional spectrogram of the wave packet by scanning the delay between the two APTs in the pair. Due to the simplicity of the one-photon excitation for the fragmentation in the probe process, we developed a novel method by mimicking the frequency-resolved optical gating technique to retrieve the complex wave packet amplitudes at ionization. The retrieved amplitude exhibited a nontrivial phase modulation, which can be interpreted as a ~1 fs settling time of the vibrational wave packet at ionization.
収録刊行物
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- レーザー研究
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レーザー研究 43 (12), 823-, 2015
一般社団法人 レーザー学会
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詳細情報 詳細情報について
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- CRID
- 1390849931313816832
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- NII論文ID
- 130007957177
- 40020696474
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- NII書誌ID
- AN00255326
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- ISSN
- 13496603
- 03870200
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- NDL書誌ID
- 027029957
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可