Measurement on the third-order optical nonlinearity of C70 and its poly-aminonitrile derivative by using the femtosecond optical Kerr effect

被引：26

作者：

Zhang, TQ

Wang, F

Yang, H

Gong, QH ^{[1
]}

Xin, A

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 | 1999年 / 301卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0009-2614(99)00037-8

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：

We have measured the second-order hyperpolarizability gamma for C-70 and its poly-aminonitrile derivative by using the femtosecond optical Kerr effect at 810 nm. The result showed that C-70 exhibited a low optical nonlinearity. For the derivative C-70-poly-aminonitrile a magnitude as high as 1.6 x 10(-32) esu was measured for the second-order hyperpolarizability. The origin of this extreme enhancement of the nonlinearity of fullerene was assigned to the formation of a charge-transfer complex. (C) 1999 Elsevier Science B.V. All rights reserved.

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收藏

页码：343 / 346

页数：4

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