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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 6, Iss. 10 — Oct. 1, 1989
  • pp: 1834–1844

Image-degradation mechanisms in photorefractive amplifiers

Frederick Vachss and Pochi Yeh  »View Author Affiliations


JOSA B, Vol. 6, Issue 10, pp. 1834-1844 (1989)
http://dx.doi.org/10.1364/JOSAB.6.001834


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Abstract

The process of high-gain image amplification in photorefractive crystals is investigated. We show that in the regime of large energy transfer, the spatially nonuniform depletion of the pump wave results in the introduction of distortions into the amplified output image. This distortion mechanism and its dependence on the characteristics of the image to be amplified are described theoretically through numerical solutions of the coupled-wave equations for image-bearing beams. The numerical results are then checked experimentally in photorefractive BaTiO3.

© 1989 Optical Society of America

History
Original Manuscript: April 10, 1989
Manuscript Accepted: June 15, 1989
Published: October 1, 1989

Citation
Frederick Vachss and Pochi Yeh, "Image-degradation mechanisms in photorefractive amplifiers," J. Opt. Soc. Am. B 6, 1834-1844 (1989)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-6-10-1834

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