中国物理B ›› 2000, Vol. 9 ›› Issue (12): 910-912.doi: 10.1088/1009-1963/9/12/006

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇    下一篇

RELATIONSHIP BETWEEN INTENSITY OF SURFACE SECOND HARMONIC GENERATION AND MOLECULAR STRUCTURE IN HELIX MOLECULAR FILMS

辛丽, 李淳飞, 李俊庆, 郑仰东   

  1. Department of Physics, Harbin Institute of Technology, Harbin, 150001 China
  • 收稿日期:2000-04-02 修回日期:2000-06-19 出版日期:2005-06-10 发布日期:2005-06-10

RELATIONSHIP BETWEEN INTENSITY OF SURFACE SECOND HARMONIC GENERATION AND MOLECULAR STRUCTURE IN HELIX MOLECULAR FILMS

Xin Li (辛丽), Li Chun-fei (李淳飞), Li Jun-qing (李俊庆), Zheng Yang-dong (郑仰东)   

  1. Department of Physics, Harbin Institute of Technology, Harbin, 150001 China
  • Received:2000-04-02 Revised:2000-06-19 Online:2005-06-10 Published:2005-06-10

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摘要： The relationship between intensity of surface Second Harmonic Generation (SHG) and the pitch, radius and azimuthal angle of molecules on the surface of helix molecular films is analyzed. The values of pitch and radius corresponding to the maximal intensity of SHG have been shown to exist. The theoretical results are compared with the experimental ones reported by M?hlman et al., and the limitation of their conclusion is also pointed out.

Abstract: The relationship between intensity of surface Second Harmonic Generation (SHG) and the pitch, radius and azimuthal angle of molecules on the surface of helix molecular films is analyzed. The values of pitch and radius corresponding to the maximal intensity of SHG have been shown to exist. The theoretical results are compared with the experimental ones reported by M?hlman et al., and the limitation of their conclusion is also pointed out.

Key words: chiral media, helix molecular films, surface SHG

中图分类号:  (Optical activity and dichroism)

  • 33.55.+b
34.35.+a (Interactions of atoms and molecules with surfaces) 42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation) 78.20.Ek (Optical activity) 79.20.Rf (Atomic, molecular, and ion beam impact and interactions with surfaces)