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Proceedings Paper

Photorefractive Effect Due To Holes In Undoped BGO Crystals
Author(s): G. Pauliat; M Allain; J C Launay; G Roosen
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Paper Abstract

The investigation of the photorefractive properties in various sillenite crystals (Bil2Si020 - Bil2Ge020) is presented. While in some crystals we find a photorefractive effect governed by electron migration as commonly admitted, we, for the first time, demonstrate that holes play the most important role in the grating recording process in some EGO samples. Thus controlling the charge carrier responsible for the photorefractive effect might lead to an optimisation of the material properties for device design.

Paper Details

Date Published: 6 October 1987
PDF: 6 pages
Proc. SPIE 0812, Progress in Holography, (6 October 1987);
Show Author Affiliations
G. Pauliat, Institut d'Optique Theorique et Appliquee (France)
M Allain, Institut d'Optique Theorique et Appliquee (France)
J C Launay, Universite de Bordeaux I (France)
G Roosen, Institut d'optique theorique et appliequee (France)

Published in SPIE Proceedings Vol. 0812:
Progress in Holography
Jean P. L. Ebbeni, Editor(s)

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