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.

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页码：175 / 178

页数：4

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