Characterization of a photorefractive Rhodium doped Barium Titanate crystal at 1,06 µm

Abstract : We characterize Rh:BaTiO, by cw two-beam coupling experiments at 1.06 µm. We demonstrate that all our measurements are well described by a single-carrier, single-site model as soon as the incident intensity is large enough. The effective trap density is found to be equal to N,, = 6 X 10^16 cm-3 and the maximum measured gain is 23 cm-‘. At 20 W cm-2 with a measured absorption of 0.15 cm-‘, the time constant is 75 s.
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https://hal-ujm.archives-ouvertes.fr/ujm-00118157
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Submitted on : Monday, December 4, 2006 - 12:19:14 PM
Last modification on : Monday, February 25, 2019 - 5:24:02 PM

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  • HAL Id : ujm-00118157, version 1

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Nicolas Huot, Jean-Michel Jonathan, Gilles Pauliat, Daniel Rytz, Gérald Roosen. Characterization of a photorefractive Rhodium doped Barium Titanate crystal at 1,06 µm. Optics Communications, Elsevier, 1997, 135, pp.133-137. ⟨ujm-00118157⟩

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