Photorefractive Effect Due To Holes In Undoped BGO Crystals

G. Pauliat; M Allain; J C Launay; G Roosen

doi:10.1117/12.941601

6 October 1987 Photorefractive Effect Due To Holes In Undoped BGO Crystals

G. Pauliat, M Allain, J C Launay, G Roosen

Proceedings Volume 0812, Progress in Holography; (1987) https://doi.org/10.1117/12.941601
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

The investigation of the photorefractive properties in various sillenite crystals (Bi_l2Si0₂₀ - 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.

Citation Download Citation

G. Pauliat, M Allain, J C Launay, and G Roosen "Photorefractive Effect Due To Holes In Undoped BGO Crystals", Proc. SPIE 0812, Progress in Holography, (6 October 1987); https://doi.org/10.1117/12.941601

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