Femtosecond third-order optical nonlinearity of C60 and its derivative at a wavelength of 810 nm

被引：39
|
作者：
Li, JL
Wang, SF
Yang, H
Gong, QH [1 ]
An, X
Chen, HY
Qiang, D
机构：
[1] Peking Univ, Dept Phys, Mesoscop Phys Lab, Beijing 100871, Peoples R China
[2] Peking Univ, Dept Chem, Beijing 100871, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 1998年 / 288卷 / 2-4期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/S0009-2614(98)00288-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The second-order hyperpolarizability gamma of C-60 and its derivative C-60-poly-aminonitrile was measured using a femtosecond time-resolved optical Kerr effect. The results showed that the optical nonlinearity of C-60 was too low to be detected and an up-limit value of 9.0 x 10(-35) esu was offered for its gamma. However, a large enhancement of the optical nonlinearity for C-60-poly-aminonitrile was observed and the value of its gamma was measured to be as large as 3.2 x 10(-33) esu. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：175 / 178
页数：4
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