Self-pumped phase conjugation in a ring cavity at 1.06 μm in cw and nanosecond regimes using photorefractive BaTiO<sub>3</sub>:Rh期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Self-pumped phase conjugation in a ring cavity at 1.06 μm in cw and nanosecond regimes using photorefractive BaTiO₃:Rh

Authors:	N Huot J M C Jonathan D Rytz G Roosen

Institution:	^a Institut d'Optique Théorique et Appliquée, Unité de Recherche Associée 14 au Centre National de la Recherche Scientifique, Bât. 503, Centre Scientifique d'Orsay, B.P. 147, 91403, Orsay Cedex, France ^b Forschungsinstitut für mineralische und metallische Werkstoffe, Edelsteine/Edelmetalle GmbH, Struthstrasse 2, 55743, Idar-Oberstein, Germany

Abstract:	We present self-pumped phase conjugation experiments in a ring cavity at 1.06 μm in a BaTiO₃:Rh crystal both in the cw and in the nanosecond regime. The measured reflectivities are respectively 50% and 66%. At 4 W cm⁻² of cw illumination, it only takes 90 s to reach the steady state. A preliminary experiment of correction of the focusing effect of a lens is reported.

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