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Collinear phase matching for second harmonic generation using conoscopic interferometry

De, A. ; Puri, A.

Journal of applied physics, 2010-04, Vol.107 (8), p.083104-083104-5 [Revista revisada por pares]

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Título:
Collinear phase matching for second harmonic generation using conoscopic interferometry
Autor: De, A. ; Puri, A.
Es parte de: Journal of applied physics, 2010-04, Vol.107 (8), p.083104-083104-5
Descripción: The problem of finding phase-matching directions in noncentrosymmetric biaxial crystals is simplified here by the use of Conoscopic interferometry. Based on vector relations for wave propagation in birefringent media and solutions to phase-matching equations, we show that phase matching directions can be located on the conoscopic interferograms and that fringe numbers for dark-isochromes can be used as a guide to find phase-matching directions for a biaxial crystal. This technique can be generalized and extended to any anisotropic crystal. We have demonstrated this method for the particular case of a biaxial KTiOPO 4 crystal, where it is found to be particularly suitable for finding the optimum-phase-matching directions.
Editor: American Institute of Physics
Idioma: Inglés

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