Calculations of circular intensity differences in electric-field-induced second harmonic generation

被引:6
|
作者
Jonsson, D [1 ]
Luo, Y
Ruud, K
Norman, P
Agren, H
机构
[1] Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
[2] Univ Oslo, Dept Chem, N-0315 Oslo, Norway
关键词
D O I
10.1016/S0009-2614(98)00301-7
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
Ab initio calculations of electric-field induced second-harmonic generation for chiral molecules are presented. The calculations employ cubic response theory and take into account electric-dipole, electric-quadrupole and magnetic-dipole interactions, which result in an intensity dependence on the helicity of the light. The circular intensity difference is calculated for the chiral molecules twisted ethylene, trans-1,2-dimethylcyclopropane and methyloxirane. The calculated circular intensity differences are small - being of the order of 10(-4)-10(-3) - but such electric-field induced second harmonic generation intensity dependencies should be experimentally detectable. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:371 / 376
页数:6
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