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Proceedings Paper

Three-dimensional analysis of fringe-locked running hologram experimental data for photorefractive material characterization
Author(s): Marcelo C. Barbosa; Jaime Frejlich
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Paper Abstract

Fringe-locked running holograms are produced in the volume of photorefractive crystals and the characteristic speed υ and diffraction efficiency η are simultaneously measured as a function of the externally applied electric field Eo. These data have the corresponding η versus υ and Eo three-dimensional theoretical function fit to them. From this fitting three relevant theoretical material's parameters (diffusion length LD, Debye screening length 1s and quantum efficiency Φ) and an experimental parameter (effective field coefficient inside the sample ξ) are univocally and straightforwardly obtained.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.527026
Show Author Affiliations
Marcelo C. Barbosa, Univ. Estadual de Campinas (Brazil)
Jaime Frejlich, Univ. Estadual de Campinas (Brazil)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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