Optically addressed high-resolution liquid crystal spatial light modulator with a diffraction efficiency above 50%

被引：0
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作者：
A. N. Chaika
L. P. Amosova
E. A. Konshina
机构：
[1] St. Petersburg State University of Information Technology,
[2] Mechanics,undefined
[3] and Optics,undefined
来源：
Technical Physics Letters | 2009年 / 35卷
关键词：
42.40.Lx; 42.40.Ht; 42.70.Dt;
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摘要：
An optically addressed liquid crystal spatial light modulator (SLM) with a photosensitive amorphous hydrogenated silicon carbide (a-SiC:H) layer has been studied using holographic techniques. The maximum diffraction efficiency (DE) of the device amounted to ηmax = 50.5%. A decrease in the DE to a level of 0.5ηmax was observed at a spatial frequency of 75 mm−1. The high resolution and DE of the proposed SLM are due to features in the formation of an asymmetric grating line profile in the given structure.
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页码：401 / 403
页数：2
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