Three-dimensional analysis of fringe-locked running hologram experimental data for photorefractive material characterization

Marcelo C. Barbosa; Jaime Frejlich

doi:10.1117/12.527026

19 November 2003 Three-dimensional analysis of fringe-locked running hologram experimental data for photorefractive material characterization

Marcelo C. Barbosa, Jaime Frejlich

Author Affiliations +

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.527026
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

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 E_o. These data have the corresponding η versus υ and E_o three-dimensional theoretical function fit to them. From this fitting three relevant theoretical material's parameters (diffusion length L_D, Debye screening length 1s and quantum efficiency Φ) and an experimental parameter (effective field coefficient inside the sample ξ) are univocally and straightforwardly obtained.

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Marcelo C. Barbosa and Jaime Frejlich "Three-dimensional analysis of fringe-locked running hologram experimental data for photorefractive material characterization", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.527026

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