Photorefractive Incoherent-To-Coherent Optical Converter: Physical And Materials Considerations

A, Marrakchi; A R. Tanguay Jr.; J Yu; D Psaltis

doi:10.1117/12.941413

13 August 1984 Photorefractive Incoherent-To-Coherent Optical Converter: Physical And Materials Considerations

A, Marrakchi, A R. Tanguay Jr., J Yu, D Psaltis

Proceedings Volume 0465, Spatial Light Modulators and Applications I; (1984) https://doi.org/10.1117/12.941413
Event: 1984 Los Angeles Technical Symposium, 1984, Los Angeles, United States

Abstract

Volume holographic storage in photorefractive Bi12Si020 (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. Preliminary results with binary and grey level transparencies are presented, and the conversion process is described in terms of a simple model which relates the diffracted intensity to the space-variant effective modulation ratio.

Citation Download Citation

A, Marrakchi, A R. Tanguay Jr., J Yu, and D Psaltis "Photorefractive Incoherent-To-Coherent Optical Converter: Physical And Materials Considerations", Proc. SPIE 0465, Spatial Light Modulators and Applications I, (13 August 1984); https://doi.org/10.1117/12.941413

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