Electrooptical Kerr constant and third-order susceptibility measurements in nematic liquid crystals and their mixtures |
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Authors: | John Philip T. A. Prasada Rao |
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Affiliation: | (1) Laser Laboratory, Department of Physics, Indian Institute of Technology, 600 036 Madras, India |
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Abstract: | We report for the first time the determination of the real part of the third order nonlinear susceptibilities(3) (–, , 0, 0) in the isotropic phase of two nematic liquid crystalsp-(ethoxybenzylidine)-p-butylaniline (EBBA) andp-(methoxybenzylidene)-p-butylaniline (MBBA) from electrooptic Kerr effect experiments. The highest value of(3) observed near nematic-to-isotropic transition temperature, at 632.8 nm is found to be 1.067×10–20 m2V–2 for EBBA and 6.602×10–20 m2V–2 for MBBA. |
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