| Resonance-enhanced multiphoton ionization of NO via X2П→A2∑ transition |
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| 引用本文： | 张连水,张贵银,杨晓冬,李裔,赵晓辉.Resonance-enhanced multiphoton ionization of NO via X2П→A2∑ transition[J].Chinese Optics Letters,2003,1(4). |
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| 作者姓名： | 张连水 张贵银 杨晓冬 李裔 赵晓辉 |
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| 作者单位： | 张连水,杨晓冬,李裔,赵晓辉(College of Physics Science and Technology, Hebei University, Baoding 071002);张贵银(College of Physics Science and Technology, Hebei University, Baoding 071002;North China Electric Power University, Baoding 071003) |
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| 摘 要： |
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Resonance-enhanced multiphoton ionization of NO via X2П→A2∑ transition |
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| Abstract: | The resonance-enhanced multiphoton ionization (REMPI) spectrum of NO has been obtained in the range of 420-480 nm with a Nd:YAG pumped optical parametric generator and amplifier. The spectral linescan be attributed to NO X2П(v" = 0, 1) → A2∑(v' = 0, 1) transitions. In this wavelength range, NO molecules are ionized via the resonant intermediate state A2∑+ and by a (2 + 2) REMPI process. The dependence of ion signals on laser intensity and gas pressure is discussed. The variation of the ionization signal versus laser intensity is near quartic. This is in good agreement with theory. |
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