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Journal Articles Optics Letters Year : 1994

Dislocation density dependent photorefractive effect in (001)-cut GaAs

Abstract

We present studies of the photorefractive effect in nonphotorefractive orientations of liquid-encapsulated Czochralski-grown GaAs crystals. Picosecond diffraction experiments conducted in different samples show that a forbidden photorefractive signal correlates well with dislocation density, which points out that the effect arises from strain fields and growth defects.
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Dates and versions

hal-00673561 , version 1 (24-02-2012)

Identifiers

  • HAL Id : hal-00673561 , version 1

Cite

K. Jarasiunas, J. Vaitkus, Philippe Delaye, Gérald Roosen. Dislocation density dependent photorefractive effect in (001)-cut GaAs. Optics Letters, 1994, 19 (23), pp.1946-1948. ⟨hal-00673561⟩
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