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14 March 2023 An experimental study of optical anisotropy of blue-phase liquid crystals as a function of alignment layers
Sumanyu Chauhan, Markus Wahle, Grigory Lazarev, Dieter Cuypers, Herbert De Smet
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Proceedings Volume 12417, Optical Components and Materials XX; 1241717 (2023) https://doi.org/10.1117/12.2650752
Event: SPIE OPTO, 2023, San Francisco, California, United States
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Abstract
The growing requirements for ultrafast communication speeds are constantly pushing the need to explore new devices and materials to reduce bottlenecks in optical communication networks. One such device is a phase only spatial light modulator implemented using liquid crystal on silicon. Achieving this requires polarization independent and fast-switching optical materials. Blue-phase liquid crystal is one such candidate. Popular opinion is that blue-phase liquid crystal is polarization-independent. In this study using microscopic and polarimetric methods, we demonstrate that in the off-state of blue-phase, the alignment layers affect the optical polarization behavior.
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Sumanyu Chauhan, Markus Wahle, Grigory Lazarev, Dieter Cuypers, and Herbert De Smet "An experimental study of optical anisotropy of blue-phase liquid crystals as a function of alignment layers", Proc. SPIE 12417, Optical Components and Materials XX, 1241717 (14 March 2023); https://doi.org/10.1117/12.2650752
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KEYWORDS
Polarization
Bragg wavelengths
Liquid crystals
Polarized light
Polarimetry
Materials properties
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