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Optical filter with tunable wavelength and bandwidth based on cholesteric liquid crystals

机译:基于胆甾型液晶的波长和带宽可调的滤光片

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摘要

An optical filter with tunable wavelength and bandwidth has been demonstrated using two cholesteric liquid crystals configured in a reflection mode, in which the incident light is first reflected by one cholesteric liquid crystal and then by the other one. The central wavelength can be tuned from 527 nm to 574 nm and the bandwidth can be changed from 10 nm to 80 nm. It has potential applications in many fields, especially in optical communications and multispectral and hyperspectral imaging systems.
机译:已经证明了使用两个以反射模式配置的胆甾型液晶的具有可调波长和带宽的光学滤波器,其中入射光首先被一个胆甾型液晶然后被另一个胆甾型液晶反射。中心波长可以从527 nm调整为574 nm,带宽可以从10 nm更改为80 nm。它在许多领域都有潜在的应用,特别是在光通信以及多光谱和高光谱成像系统中。

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