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Proceedings Paper

Probe-beam scanning method for beam-coupling monitoring in photorefractive crystals
Author(s): A. Garcia-Weidner; A. V. Khomenko; Diana Tentori-Santa-Cruz
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Paper Abstract

We describe a technique for investigation of beam coupling in photorefractive materials. We used a probe beam which partly erases the recorded hologram in a small region of the crystal. This erasure changes the coupling between the beams, then the output intensities of these beams are changed. We show by numerical simulations that these changes give us information about coupling coefficient along the length of the photorefractive sample. We compare the numerical results with experimental data of two-beam coupling in an optical active BTO waveguide-like crystal.

Paper Details

Date Published: 5 February 1996
PDF: 4 pages
Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); doi: 10.1117/12.231044
Show Author Affiliations
A. Garcia-Weidner, Ctr. de Investigacion Cientifica y de Educacion Superior de Ensenada (Mexico)
A. V. Khomenko, Ctr. de Investigacion Cientifica y de Educacion Superior de Ensenada (Mexico)
Diana Tentori-Santa-Cruz, CICESE/Fisica Aplicada (United States)


Published in SPIE Proceedings Vol. 2730:
Second Iberoamerican Meeting on Optics
Daniel Malacara-Hernandez; Sofia E. Acosta-Ortiz; Ramon Rodriguez-Vera; Zacarias Malacara; Arquimedes A. Morales, Editor(s)

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