Thermally enhanced optical nonlinearity in nematic liquid crystal close to phase transition temperature

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題名:	Thermally enhanced optical nonlinearity in nematic liquid crystal close to phase transition temperature
作者:	Shih, Chia-Chi Chen, Yu-Jen Hung, Wen-Chi Jiang, I-Min Tsai, Ming-Shan 施嘉佶 (東方技術學院電子與資訊系)
貢獻者:	東方技術學院電子與資訊系
日期:	2010-09
上傳時間:	2014-03-27 15:57:10 (UTC+8)
摘要:	This study investigates the beam profile and the liquidcrystal (LC) arrangement affected by an optical field on LC thin films at a temperatureclose to nematic–isotropic phasetransitiontemperature (TNI). A combined microscopic and conoscopic technique was used in experiments as a convenient way to analyze the opticalnonlinearity that is associated with the molecular configuration of nematicliquidcrystal (NLC). An optical field combined with thermal enhancement enhances molecular reorientation and causes additional molecular excitation along the axis of propagation of the beam. The reorientational nonlinearity yields an undulating structure with multi-foci; the length between each pair of foci increases with time, as described
關聯:	Optics Communications, Vol.283, no.18, pp.3516-3519
顯示於類別:	[電子與資訊系(遊戲動畫系、動畫科)] 期刊論文

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