Method based on polarized infrared spectroscopy for the determination of the spatial orientation of transition dipole moments of a ferroelectric liquid crystal Appl. Phys. Lett. 83, 389 (2003); 10.1063/1.1586991Polarized infrared spectroscopy and two-dimensional correlation spectroscopy study of molecular structure of ferroelectric liquid crystals with a naphthalene ring AIP Conf.Polarized absorption spectra of 13 nematic liquid crystals (Les) with various conjugations and structures were measured in the spectral range from 185 to 400 nm. These absorption bands represent all the 1T'--~>1T* electronic transitions of these LCs. Resonance wavelength, absorption coefficient, and dichroic ratio of each band were characterized. The contribution of each band to LC birefringence is briefly discussed. Some structural effects on the LC absorption are illustrated. These absorption spectra will also serve as valuable data bases for further theoretical calculations on the band structure of LC molecules. 78 J.
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