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Thermally addressed electrically erased high‐resolution liquid‐crystal light valves

 

作者: H. Melchior,   Frederic J. Kahn,   D. Maydan,   D.B. Fraser,  

 

期刊: Applied Physics Letters  (AIP Available online 1972)
卷期: Volume 21, issue 8  

页码: 392-394

 

ISSN:0003-6951

 

年代: 1972

 

DOI:10.1063/1.1654426

 

出版商: AIP

 

数据来源: AIP

 

摘要:

New highly transparent liquid‐crystal light valves for the recording, storage, and display of high‐resolution graphic images in projection displays are described. Information is recorded in these light valves by anx‐ydeflected intensity‐modulated ir laser beam which locally heats visually transparent infrared absorbing electrodes. The resulting temporary heating of the cholesteric liquid crystal creates light‐scattering centers that remain stored until erased electrically. Resolution is 50 lines/mm over a 4×4‐cm area. Contrast is better than 10:1. Addressing speed is higher than 104picture elements/sec for a few mW of 1.06‐&mgr;m YAlG laser power.

 

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