High laser damage threshold reflective optically addressed liquid crystal light valve based on gallium nitride conductive electrodes

In this paper, the feasibility of a high laser damage threshold liquid crystal spatial light modulator based on gallium nitride (GaN) transparent conductive electrodes is proved. The laser-induced damage threshold (LIDT) is measured, and a high LIDT reflective optically addressed liquid crystal ligh...

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Bibliographic Details
Published in:High power laser science and engineering 2022-01, Vol.10, Article e35
Main Authors: Xing, Zhibo, Fan, Wei, Huang, Dajie, Cheng, He, Du, Tongyao
Format: Article
Language:English
Subjects:
Electrodes
Gallium nitrides
Laser damage
Lasers
Light
Light valves
Liquid crystals
Simulation
Spatial light modulators
Yield point
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Summary:In this paper, the feasibility of a high laser damage threshold liquid crystal spatial light modulator based on gallium nitride (GaN) transparent conductive electrodes is proved. The laser-induced damage threshold (LIDT) is measured, and a high LIDT reflective optically addressed liquid crystal light valve (OALCLV) based on GaN is designed and fabricated. The proper work mode of the OALCLV is determined; the OALCLV obtained a maximum reflectivity of about 55% and an on–off ratio of 55:1, and an image response is demonstrated.
ISSN:2095-4719
2052-3289
DOI:10.1017/hpl.2022.21