Abstract
The diffraction efficiency and energy transfer are investigated in photorefractive Bi12SiO20 crystals (BSO). Dependence on fringe spacing, electric fields, light intensity and rise-time constants are reported. The optimum crystallographic orientation for each effect is determined for vertical polarization of the recording beams. It is shown that beam coupling is a very sensitive phenomenon in BSO crystals where charge transport lengths are equivalent to usual fringe spacings. Experimental results are interpreted on the basis of the nonlinear theory of self-diffraction developed by Kukhtarev et al. [10].
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Marrakchi, A., Huignard, J.P. & Günter, P. Diffraction efficiency and energy transfer in two-wave mixing experiments with Bi12SiO20 crystals. Appl. Phys. 24, 131–138 (1981). https://doi.org/10.1007/BF00902269
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DOI: https://doi.org/10.1007/BF00902269