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(CH3)2N(C6H4)nCN系列分子二阶非线性光学系数的理论研究
引用本文:于宏石,封继康,李君,李志儒.(CH3)2N(C6H4)nCN系列分子二阶非线性光学系数的理论研究[J].化学学报,1993,51(4):334-340.
作者姓名:于宏石  封继康  李君  李志儒
作者单位:吉林大学化学系,吉林大学化学系,吉林大学化学系,吉林大学化学系 长春 130023,长春 130023,长春 130023,长春 130023
摘    要:在AM1和INDO/CI方法的基础上, 用自编程序计算了(CH3)2N(C6H4)nCN(n=1→6)系列分子的二阶非线性光学系数β~i~j~k和β~μ并系统地研究了共轭链长对分子二阶非线性光学系统的影响及β~μ对激光场频率的依赖关系(色散效应)

关 键 词:计算机应用  联苯胺  P  非线性光学  苯甲腈  P  色散  微分重叠间忽略近似  仲胺  P

A theoretical study of the nonlinear optical second-order susceptibilities of (CH3)2N(C6H4)nCN series molecules
Abstract:Based on AM1 and INDO/CI methods, using the program for calcns. of the nonlinear optical second-order susceptibilities (bijk), (bijk) and (bm) were calculated for (CH3)2N(C6H4)nCN series mols., n = 1 ?6. A systematic study is reported of the effect of conjugation length on the mol. nonlinear optical second-order susceptibilities and investigated the laser frequency dependences (dispersions) of (bm) are discussed.
Keywords:COMPUTER APPLICATIONS  BENZIDINE P  NON LINEAR OPTICS  BENZONITRILE P  DISPERSION  INTERMEDIATE NEGLECT OF DIFFERENTIAL OVERLAP APPROXIMATION (IND  SECONDARY AMINE P
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