Ultrafast Optical Properties of C70 Thin Film
WANG Cong-fang, A1 Xi-cheng, XIA Zong-ju, ZOU Ying-hua, QIAN Jiang* , QIAN Shi-xiong*
Department of Physics, Mesoscopic Physics Laboratory, Peking University, Beijing 100871
* Department of Physics, fudan University, Shanghai 200433
Ultrafast Optical Properties of C70 Thin Film
WANG Cong-fang;A1 Xi-cheng;XIA Zong-ju;ZOU Ying-hua;QIAN Jiang* ;QIAN Shi-xiong*
Department of Physics, Mesoscopic Physics Laboratory, Peking University, Beijing 100871
* Department of Physics, fudan University, Shanghai 200433
关键词 ：
42.65.-k ,
78.47.+p ,
78.66.-w
Abstract ： The relaxation of optically excited carrier in C70 thin film fabricated by physical jet deposition was investigated by femtosecond pump-probe measurements. A transient decrease in transmission was observed indicating induced absorption. In comparison to C60 thin film the initial response of C70 film is laser pulse limited and the long lived component has smaller magnitude. The third order optical nonlinear susceptibility of C70 thin film was determined to be x(3) = 3.3 x 10-11 esu by femtosecond time-resolved optical Kerr effect. From the primarily pulse limited response the dephasing time of C70 thin film has been proved to be shorter than the laser pulse width.
Key words ：
42.65.-k
78.47.+p
78.66.-w
出版日期: 1996-09-01
引用本文:
WANG Cong-fang;A Xi-cheng;XIA Zong-ju;ZOU Ying-hua;QIAN Jiang*;QIAN Shi-xiong*. Ultrafast Optical Properties of C70 Thin Film[J]. 中国物理快报, 1996, 13(9): 668-671.
70 Thin Film. Chin. Phys. Lett., 1996, 13(9): 668-671.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1996/V13/I9/668
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1996, Vol. 13 
