The length dependence of the nonlinear third-order optical susceptibilities of some conjugated organic molecules

Acta Chimica Sinica ›› 1992, Vol. 50 ›› Issue (2): 111-117. Previous Articles Next Articles

Original Articles

若干有机共轭分子三阶非线性光学系数和链长的关系

封继康;高旭岭;孙家钟

吉林大学化学系;吉林大学理论化学研究所

发布日期:1992-02-15

The length dependence of the nonlinear third-order optical susceptibilities of some conjugated organic molecules

FENG JIKANG;GAO XULING;SUN JIAZHONG

Published:1992-02-15

Abstract

On the basis of INDO/SDCI method, using sum-over-states formula, the nonlinear 3rd-order optical susceptibilities g(0,0,0,0) and g(-w,-w,-w,-w) of polyenes and poly-p-phenyls were calculated The mol. length dependence and the effect of frequency of external field for g showed that g(0,0,0,0) were proportional to the third-power of the lengths, within a certain range, and was relevant to the electronic delocalization in micromechanism.

Key words: POLYENE, CHAIN LENGTH, CORELATIONS, XENENE, CONJUGATED MOLECULE

CLC Number:

O641

Cite this article

FENG JIKANG;GAO XULING;SUN JIAZHONG. The length dependence of the nonlinear third-order optical susceptibilities of some conjugated organic molecules[J]. Acta Chimica Sinica, 1992, 50(2): 111-117.

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若干有机共轭分子三阶非线性光学系数和链长的关系

The length dependence of the nonlinear third-order optical susceptibilities of some conjugated organic molecules

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