Polarization-independent liquid crystal-based refractive index sensor,Journal of the Society for Information Display

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Polarization-independent liquid crystal-based refractive index sensor
Journal of the Society for Information Display ( IF 1.7 ) Pub Date : 2021-04-01 , DOI: 10.1002/jsid.1011
Zhiyong Yang ₁ , Tao Zhan ₁ , Shin‐Tson Wu ₁

Affiliation

A polarization-independent refractive index (RI) sensor with a sensitivity of 50 nm/RIU is demonstrated. The proposed RI sensor simply consists of a liquid crystal (LC) polymeric polarization grating film and one glass substrate. The wavelength shift over the RI of the surrounding medium is investigated through anisotropic rigorous coupled-wave analysis. Such an LC-based polarization-independent RI sensor not only enables the usage of an unpolarized light source but also manifests a high sensitivity, offering great potential for the integration with display systems.

中文翻译：

与偏振无关的基于液晶的折射率传感器

展示了一种灵敏度为50 nm / RIU的偏振无关折射率（RI）传感器。提出的RI传感器仅由液晶（LC）聚合物偏振光栅膜和一个玻璃基板组成。通过各向异性严格耦合波分析研究了周围介质的RI上的波长偏移。这种基于LC的偏振独立RI传感器不仅可以使用非偏振光源，而且显示出很高的灵敏度，为与显示系统集成提供了巨大的潜力。

更新日期：2021-05-25

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