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Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
Print version ISSN 0370-3908
Abstract
FORTE, Gustavo; TEBALDI, Myrian and BOLOGNINI, Nestor. Features of the Lau effect by using a photorefractive volume phase grating. Rev. acad. colomb. cienc. exact. fis. nat. [online]. 2018, vol.42, n.163, pp.189-193. ISSN 0370-3908. https://doi.org/10.18257/raccefyn.616.
This work analyzes the Lau effect produced by the volume phase grating generated in a photorefractive BSO crystal. In our proposal, the object phase grating is generated by projecting the image of an incoherently illuminated grating in the crystal volume. A modulation parameter that includes the effect of the crystal depth is introduced for this photorefractive phase grating. Theoretical results for different distances between object-source gratings that confirm our approach are presented.
Keywords : Lau effect; Volume grating; Photorefractive crystals.