26 September 2016 Diffractive devices based on blue phase liquid crystals
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Abstract
Blue phase liquid crystal (BPLC) has been attractive for display and photonic applications for its sub-millisecond response time, no need for surface alignment, and an optically isotropic dark state. Because of these advantages, diffractive devices based on blue phase liquid crystals have great potential for wide applications. In this work, we present several BPLC diffractive devices. The operation principles, fabrication and experimental measurements will be discussed in details for two BPLC gratings realized by holographic method and a BPLC Fresnel lens using a spatial light modulator projector. All of these devices exhibit several attractive features such as sub-millisecond response, relatively high spatial resolution and polarization-independence.
Conference Presentation
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Yan Li, Shuaijia Huang, Yikai Su, "Diffractive devices based on blue phase liquid crystals", Proc. SPIE 9940, Liquid Crystals XX, 99400Z (26 September 2016); doi: 10.1117/12.2234793; https://doi.org/10.1117/12.2234793
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