Spatial light modulation by beam coupling in GaAs crystals

The first demonstration of spatial light modulation in GaAs using the photorefractive effect is reported. A special configuration was employed in which polarization rotation created by beam coupling was utilized. The ability to obtain these results despite a small coupling gain coefficient demonstra...

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Bibliographic Details
Published in:Optics letters 1987-09, Vol.12 (9), p.705-707
Main Authors: Cheng, Li-Jen, Gheen, Gregory, Chao, Tien-Hsin, Liu, Hua-Kuang, Partovi, Ashfin
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Imaging and optical processing
Optics
Physics
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Summary:The first demonstration of spatial light modulation in GaAs using the photorefractive effect is reported. A special configuration was employed in which polarization rotation created by beam coupling was utilized. The ability to obtain these results despite a small coupling gain coefficient demonstrates the usefulness of the polarization technique presented here for optical processing with GaAs crystals.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.12.000705