Acta Chimica Sinica ›› 1999, Vol. 57 ›› Issue (2): 224-228. Previous Articles    

Original Articles

若干有机共轭分子二阶非线性光学系数和结构的关系

袁爱华;沈小平;陈文健   

  1. 华东船舶工业学院焊接与材料工程系;镇江师范专科学校化学系;扬州大学师范 学院化学系.扬州
  • 出版日期:1999-02-15 发布日期:1999-02-15

The structure dependence of the second-order nonlinear optical polarizabilities of some conjugated organic molecules

Yuan Aihua;Shen Xiaoping;Chen Wenjian   

  1. Yangzhou Univ.Yangzhou
  • Online:1999-02-15 Published:1999-02-15

In this paper, we have calculated the second-order nonlinear optical polarizabilities of four kinds of organic conjugated systems by using the CNDO/S-CI quantum chemical calculation program. The effects of the molecular structure, the molecular length, the electronic properties of substituents and the location of the substitution on the values of βvec of these molecules have been studied. The results reveal that there is a close relationship between the structure and the value of βvec.

Key words: TWO-ORDER, FREQUENCY EFFECT, CONJUGATE, STYRYL KETONE, DIPHENYLMETHANONE, CHALCONE, DIPHENYL GROUP, POLARIZABILITIES

CLC Number: