High-speed binary optically addressed spatial light modulator
- 7 August 1989
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 55 (6), 537-539
- https://doi.org/10.1063/1.101847
Abstract
We describe the structure and operating characteristics of a high-speed optically addressed spatial light modulator (OASLM) with a hydrogenated amorphous silicon (a-Si:H) photosensor and a ferroelectric liquid-crystal modulator. The photosensor is a p-i-n photodiode, which switches the liquid crystal into one of two stable states. Under a write-light intensity of 6 mW/cm2, the OASLM exhibits a response time of 155 μs, a contrast ratio of 20:1, and a resolution of 40 lp/mm. The writing sensitivity per pixel is 0.1 pJ.Keywords
This publication has 7 references indexed in Scilit:
- Photoaddressing Of High Speed Liquid Crystal Spatial Light ModulatorsPublished by SPIE-Intl Soc Optical Eng ,1987
- Ferroelectric Liquid Crystal Spatial Light ModulatorMolecular Crystals and Liquid Crystals, 1987
- Optical Logic Gates Using Ferroelectric Liquid CrystalsPublished by SPIE-Intl Soc Optical Eng ,1986
- Surface-stabilized ferroelectric liquid crystal electro-optics: New multistate structures and devicesFerroelectrics, 1984
- Structures and responses of ferroelectric liquid crystals in the surface-stabilized geometryFerroelectrics, 1984
- Submicrosecond bistable electro-optic switching in liquid crystalsApplied Physics Letters, 1980
- ac liquid-crystal light valveApplied Physics Letters, 1973