Publicação: Light-induced lens analysis in photorefractive crystals employing phase-shifting real-time holographic interferometry
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Elsevier B.V.
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Resumo
The purpose of this work is to study the potentialities of phase-shifting real-time holographic interferometry for the analysis of light-induced lens in photoreffactive and nonlinear optical materials. We show that this technique can be used for quantitative evaluation of the phase distribution of a wavefront changed by a light-induced lens and, consequently, the refractive index changes in these materials. The basic principle of this technique combines real-time holographic interferometry with phase-shifting technique for interferogram analysis. This method is demonstrated with in situ visualization, monitoring and analysis in real-time and uses a Bi(12)SiO(20) crystal as the holographic medium and a Bi(12)TiO(20) as the test sample. (C) 2008 Elsevier B.V. All rights reserved.
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Light-induced lens effect, Phase-shifting, Real-time holography, Photorefractive crystals
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Inglês
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Optics Communications. Amsterdam: Elsevier B.V., v. 281, n. 23, p. 5739-5744, 2008.
