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Conferences > PMED > 1990 > AP > AP4

Photorefractive Properties of Iron and Manganese Doped Bi4Ge3O12 Single Crystals

L. Kovács, E. Moya, K. Pólgar, and C. Zaldo

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Abstract

We report first results on the optical absorption, photoconductivity and visible photorefractive properties of Bi4Ge3O12 crystals doped with Fe and Mn. Optical absorption and photoconductivity response covers the visible and ultraviolet up to about 4.0 eV. The writting and erasure regimenes have been found complex. The origin of the gratings is discussed and calculations of several material parameters are reported.

© 1990 Optical Society of America

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