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Analysis of femtosecond laser ionization/dissociation of polyatomic molecule C6H10O from one-colour pump-probe measurement

Analysis of femtosecond laser ionization/dissociation of polyatomic molecule C6H10O from one-colour pump–probe measurement

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【作者】 胡飞飞； 周胜鹏； 胡湛； 金明星； 张栋栋； 吴迪； 成西会； 姜殿武； 丁大军；

【Author】 Hu Fei-Fei, Zhou Sheng-Peng, Hu Zhan, Jin Ming-Xing, Zhang Dong-Dong, Wu Di, Cheng Xi-Hui, Jiang Dian-Wu, and Ding Da-Jun Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China

【机构】 Institute of Atomic and Molecular Physics, Jilin University；

【摘要】 This paper reports that a one-colour fs pump-probe measurement has been carried out for studying photoionization/photodissociation of cyclohexanone (C6H10O) in intense laser field. Two of the fragments from cyclohexanone, C2H3+ and C3H3+ , are studied under 800 nm laser pump-probe and the results obtained show similar time evolutions. It proposes a feasible model for analysing the experimental observations of the one-colour fs pump-probe measurement. The results demonstrate that as an intermediate product, the excited molecular parent ions play a very important role in photionization/photodissociation processes in intense laser field.

【Abstract】 This paper reports that a one-colour fs pump–probe measurement has been carried out for studying photoionization/photodissociation of cyclohexanone (C6H10O) in intense laser field. Two of the fragments from cyclohexanone, C2H3+ and C3H3+ , are studied under 800 nm laser pump–probe and the results obtained show similar time evolutions. It proposes a feasible model for analysing the experimental observations of the one-colour fs pump–probe measurement. The results demonstrate that as an intermediate product, the excited molecular parent ions play a very important role in photionization/photodissociation processes in intense laser field.

【关键词】 cyclohexanone； fs pump–probe； ionization/dissociation；
【Key words】 cyclohexanone； fs pump–probe； ionization/dissociation；
【基金】 Project supported by the National Natural Science Foundation of China (Grant No 10534010)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2009年04期
  • 【分类号】O561
  • 【下载频次】12
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