| CH3I在532nm及455.5nm激光作用下多光子电离研究 |
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| 引用本文： | 章莲蒂,魏杰.CH3I在532nm及455.5nm激光作用下多光子电离研究[J].量子电子学报,1998,15(3):293-296. |
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| 作者姓名： | 章莲蒂 魏杰 |
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| 摘 要： | 本文利用飞行时间质谱仪研究了532nm和455.5nm激光作用下CH3I分子的多光子电离解离（MPID）。在532nm激光作用下，CH3I分子由双光子激发到A带的A2态，它的MPID属母体离子阶梯模式;在455.5nm激光作用下，CH3I分子由双光子激发到A带的3E态，它的MPID属中性碎片光电离模式。
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| 关 键 词： | 多光子电离 碘甲烷 飞行时间质谱 |
The Study of Multiphoton Ionization Dissociation of CH_3I with 532 nm and 455.5 nm |
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| Zhang Liandi,Wei Jie,Fang Li,Jiang Yunyun,Zhang Shudong,Guo Wenyue,Zhang Bin,Cai Jiye.The Study of Multiphoton Ionization Dissociation of CH_3I with 532 nm and 455.5 nm[J].Chinese Journal of Quantum Electronics,1998,15(3):293-296. |
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| Authors: | Zhang Liandi Wei Jie Fang Li Jiang Yunyun Zhang Shudong Guo Wenyue Zhang Bin Cai Jiye |
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| Abstract: | The multiphoton ionization-dissociation spectra of methyl iodide are given by 532 nm or 455.5 nm laser excitation in this paper. CH3I molecule is two-photon resonantly exited to 1AZ state of A-band by 532 nm laser excitation, and its MPID belongs to parent-ion ladder mechanism; CH3I molecule is two-photon resonantly exited to 3E state of A-band by 455.5 nm laser excitation, and its MPID belongs to neutral-fragment photoionization mechanism. |
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| Keywords: | multiphoton ionization methyl iodide time-of-flight mass spectrum |
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