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P‐90: Student Poster: High Birefringence Liquid Crystal for Fast‐Response Phase Modulators
Author(s) -
Yang Qian,
Zou Junyu,
Ooishi Haruki,
Yang Zhuo,
Yoshidaya Kifumi,
Wu Shin-Tson
Publication year - 2021
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.14972
Subject(s) - birefringence , liquid crystal , materials science , brightness , phase (matter) , wavelength , optoelectronics , optics , laser , sign (mathematics) , liquid crystal display , chemistry , physics , organic chemistry , mathematical analysis , mathematics
We report a high birefringence and low viscosity nematic liquid crystal for phase‐only spatial light modulators (SLMs). To achieve 2π phase change at λ = 633 nm with 5 V operation voltage, the measured response time is 2.2 ms at 50°C. Meanwhile, our mixture exhibits no sign of photodegradation for a total dosage of 20 MJ/cm 2 at a blue laser wavelength λ = 465 nm Widespread applications of this material for high brightness SLMs, LIDAR, near‐eye displays, and head‐up displays are foreseeable.
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