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Terahertz Liquid Crystal Tunable Filter

机译:太赫兹液晶可调滤波器

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摘要

we construct and characterize a room-temperature tunable Terahertz(THz) liquid crystal(LC) filter. Liquid crystal is a substance which is intervenient between inerratic crystal and isotropy liquid, because their molecular long-range are not likeness crystal, so they are easily affected by exterior conditions, such as electric field, magnetic field, temperature and stress etc., accordingly, their optical characters are change. According to the electrooptic effect of liquid crystal and the theory of Lyot filter, tunable Lyot liquid crystal filter is designed and tunable F-P liquid crystal filter is designed too. It is proved that the tunable liquid crystal filter has great tuning range and narrow band.
机译:我们构建并表征了室温可调太赫兹(THz)液晶(LC)滤波器。液晶是介于非规则晶体和各向同性液体之间的一种物质,因为它们的分子长程不是相似的晶体,因此它们很容易受到诸如电场,磁场,温度和应力等外部条件的影响。 ,它们的光学特性正在改变。根据液晶的电光效应和Lyot滤光片的原理,设计了可调Lyot液晶滤光片,并设计了可调F-P液晶滤光片。实践证明,该可调液晶滤波器调谐范围大,频带窄。

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