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An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
Published on: February 27, 2019
Optical rectification at isotropic chiral film composed of tripod-like molecules
Xiao-Ou Wang1, Li-Jing Gong, Chun-Fei Li
1Department of Physics, Harbin Institute of Technology, 92 West Dazhi Street, Harbin 150001, China. wxo@hit.edu.cn
Abstract:
In the paper, the three-coupled-oscillator model presented by us is used to study the optical rectification in isotropic chiral films. The zero frequency hyperpolarizabilities of chiral molecules with a tripod-like structure are calculated. The expressions of the static-electric polarization and the relations between the optical rectification and the microscopic parameters of chiral medium are obtained by theoretical derivation. Furthermore, the relations of the dc electric-dipole polarization with the wavelength of incident light and microscopic parameters of chiral molecules have been simulated numerically.
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