The formula for the intensity of surface second-harmonic generation circular dichroism(SHG-CD)in helical molecular films is presented.The influence of the pitch and radius of helical molecules on the surface SHG-CD in...The formula for the intensity of surface second-harmonic generation circular dichroism(SHG-CD)in helical molecular films is presented.The influence of the pitch and radius of helical molecules on the surface SHG-CD intensity is numerically analysed.The existence of a peak in curves of the surface SHG-CD intensity versus the pitch and radius is predicted.The relation between the pitch and radius for different azimuthal angles is also discussed.展开更多
基金Supported by the Harbin Institute of Technology Research Fund under Grant No.19994028.
文摘The formula for the intensity of surface second-harmonic generation circular dichroism(SHG-CD)in helical molecular films is presented.The influence of the pitch and radius of helical molecules on the surface SHG-CD intensity is numerically analysed.The existence of a peak in curves of the surface SHG-CD intensity versus the pitch and radius is predicted.The relation between the pitch and radius for different azimuthal angles is also discussed.