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CH3I在532nm及455.5nm激光作用下多光子电离研究

The Study of Multiphoton Ionization Dissociation of CH3I with 532 nm and 455.5 nm

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【作者】 章莲蒂魏杰方黎姜芸芸张树东郭文跃张冰蔡继业

【Author】 Zhang Liandi;Wei Jie;Fang Li;Jiang Yunyun;Zhang Shudong;Guo Wenyue;Zhang Bin;Cai Jiye(Laser Spectroscopy Laboratory, Anhui Institute of Optics and Fine Mechanics,Academia Sinica Hefei 230031)

【机构】 中国科学院安徽光学精密机械研究所激光光谱开放实验室!合肥230031中?

【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。

【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.

【基金】 国家自然科学基金
  • 【文献出处】 量子电子学报 ,CHINESE JOURNAL OF QUANTUM ELECTRONICS , 编辑部邮箱 ,1998年03期
  • 【分类号】O644.18
  • 【被引频次】6
  • 【下载频次】63
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