Physical Characterization Of The Photorefractive Incoherent-To-Coherent Optical Converter
- 1 February 1985
- journal article
- Published by SPIE-Intl Soc Optical Eng in Optical Engineering
- Vol. 24 (1) , 241124-241124-
- https://doi.org/10.1117/12.7973438
Abstract
Volume holographic storage in photorefractive Bit 2S i020 (BSO) crystals is utilized to perform dynamic incoherent-to-coherent image conversion by means of selective spatial erasure of a uniform grating with white (or quasi-monochromatic) light. Physical characterization of device performance is de-scribed, with emphasis on resolution, sensitivity, and temporal response. The photorefractive incoherent-to-coherent optical conversion process is analyzed in terms of a simple model that relates the diffracted intensity to the space-variant effective modulation ratio.Keywords
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