Validity of the three charge state model in photorefractive BaTiO3:Rh at 1,06 µm in the cw regime

Nicolas Huot 1 Jean-Michel Jonathan 1 Gérald Roosen 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Manolia
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : Previously published spectroscopic data show that the three charge states of rhodium in BaTiO3:Rh are the only ones involved in the photorefractive effect at 1:06 mm. In this paper, we apply this model to the prediction of the steady-state photorefractive space-charge field. We present experimental measurements of induced absorption and beamcoupling gain in BaTiO3:Rh at 1:06 µm, which are consistent with the model. From these data, we determine a set of parameters (with error bars) such as the excitation cross sections and density of rhodium.
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Submitted on : Monday, December 4, 2006 - 12:25:33 PM
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  • HAL Id : ujm-00118163, version 1

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Nicolas Huot, Jean-Michel Jonathan, Gérald Roosen. Validity of the three charge state model in photorefractive BaTiO3:Rh at 1,06 µm in the cw regime. Applied Physics B - Laser and Optics, Springer Verlag, 1997, 65, pp.489-493. ⟨ujm-00118163⟩

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