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Proceedings Paper

Photorefractive optical processing: some proposals
Author(s): Myrian C. Tebaldi; Luciano Angel; Nestor A. Bolognini
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Paper Abstract

Some proposals on Lau and Talbot fringes formation based on a grating registered as birefringence modulation in a photorefractive crystal, will be presented. In the Talbot case, the stored grating can be replicated if read-out with coherent light. The system for the Lau arrangement behaves as a combination of an amplitude and a birefringence phase grating. In both cases, it is possible to control the visibility and to produce a contrast reversion of fringes by using an analyzer. Besides, Lau and Talbot interferometers based on the mentioned approach and their alternative experimental arrangements will be discussed.

Paper Details

Date Published: 29 April 1999
PDF: 9 pages
Proc. SPIE 3729, Selected Papers from International Conference on Optics and Optoelectronics '98, (29 April 1999); doi: 10.1117/12.346778
Show Author Affiliations
Myrian C. Tebaldi, Ctr. de Investigaciones Opticas and Univ. Naciional de La Plata (Argentina)
Luciano Angel, Ctr. de Investigaciones Opticas and Univ. Nacional de La Plata (Colombia)
Nestor A. Bolognini, Ctr. de Investigaciones Opticas and Univ. Nacional de La Plata (Argentina)


Published in SPIE Proceedings Vol. 3729:
Selected Papers from International Conference on Optics and Optoelectronics '98
Kehar Singh; Om Prakash Nijhawan; Arun Kumar Gupta; A. K. Musla, Editor(s)

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