Fast response time in liquid crystal cells doped with low concentrations of reactive mesogen via photopolymerization at low temperature

Chien, Chun Yu; Wu, Lichen; Sheu, Chia Rong; Hsu, Che Ju; Huang, Chi Yen; Chen, Chi Hao; Huang, Liang Ying; Lee, Seok Lyul; Tsai, Wen Ching

doi:10.1364/ome.7.002740

Cited by 6 publications

(1 citation statement)

References 29 publications

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“…Optical birefringence and dielectric anisotropy in liquid crystals (LCs) play key roles in making various electric-optical devices that are convenient to use, cheap, and easily fabricated. Most LC devices are used to modulate optical intensity and/or phase modulation based on electrically controllable LC-reorientation with respect to various alignments for real applications [ 1 , 2 , 3 , 4 , 5 , 6 ]. For example, the homogeneous alignment LC (HALC) cell is usually considered and used as a basic type of phase modulation device for laser beam steering [ 4 ], spatial light modulators [ 5 ], and tunable focus lenses [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Photo-Polymerization in Chiral Dopant Liquid Crystal Cells via Holographic Exposure to Fabricate Polarization-Independent Phase Modulator with Fast Optical Response

2018

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Small liquid crystal domains with random director distributions were obtained to show novel optical isotropy using a holographic exposure processes to treat chiral dopant liquid crystal cells in the isotropic phase (i.e., polymer-stabilized isotropic liquid crystal cells). The cells used to fabricate phase modulators showed unique performances, including low light scattering, polarization-independence, and fast optical response. Furthermore, an extra fluoro-surfactant dopant in cells showed that the phase modulators retained their performance but with considerable reduction of operating voltages, from 180 V rms to 100 V rms .

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