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Revista mexicana de física

Print version ISSN 0035-001X


SALAS-TORRES, O.; ZUNIGA-SEGUNDO, A.  and  MAGANA-SOLIS, L.F.. Non-stationary response of photorefractive crystal under an external sinusoidal electric field. Rev. mex. fis. [online]. 2012, vol.58, n.2, pp.160-165. ISSN 0035-001X.

We calculated the non-stationary holographic current arising in a photorefractive crystal illuminated by a vibrating sinusoidal pattern along with an external sinusoidal electric field applied to the sample. We first solved numerically the set of nonlinear material rate differential equations to find the full overall space charged field and the mobile carrier density for a photorefractive BSO crystal. With these results we calculated the photocurrent, which is found to be in good agreement with corresponding values obtained from holographic experiments performed with similar samples.

Keywords : Photorefractive gratings; photo-EMF; non-linear optics.

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