Citation: Cheng Yin WU, Yi Jia XIONG, Jin Xiong WANG, Fan Ao KONG. Photodissociation of Cycloketones by Ultraintense Femtosecond Laser Pulses[J]. Chinese Chemical Letters, ;2000, 11(6): 545-548. shu

Photodissociation of Cycloketones by Ultraintense Femtosecond Laser Pulses

Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080

Received Date: 18 January 2000

Fund Project: We thank Prof. Zhu Qihe and Dr. He Yong for helpful discussions. This work was supported by the National Natural Science Foundation of China (No.29973052) and Department of Science & Technology of China.

Photodissociation of cyclopentanone (C₅H₈O) and cyclohexanone (C₆H₁₀O) was studied with 800nm, 50fs laser pulse at intensities of 5.0-13.0×10¹³ W/cm². A time of flight mass spectrometer was employed to detect the ion signals. Parent ions dominated at lower laser intensities. Fragmentation of the parent ions increases with increasing laser intensity and molecular size. The fragmentation mechanism was discussed.
- Intense field,
- femtosecond laser,
- fragmentation mechanism
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