Diffraction efficiency and energy transfer in two-wave mixing experiments with Bi12SiO20 crystals
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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. .
PACS42.30.-d 42.40.-i 42.70.-a 72.40.tw 78.20.Jq
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- 1.D.L. Staebler: InHolographie Recording Materials, ed. by H.M. Smith, Topics Appl. Phys.20 (Springer, Berlin, Heidelberg, New York 1977) pp. 101–132Google Scholar
- 2a.A.M. Glass: Opt. Eng.17, 470–479 (1978)Google Scholar
- 3.R. Orlowski, E. Kratzig: Ferroelectrics26, 831–834 (1980)Google Scholar
- 4a.F. Micheron, G. Bismuth: J. Phys. (Paris) Suppl.33, C2–147 (1972)Google Scholar
- 7.P. Gunter, F. Micheron: Ferroelectrics18, 27–38 (1978)Google Scholar
- 10.N. Kukhtarev, V. Markov, S. Odulov, M. Soskin, V. Vinetskii: Terroelectrics22, 949–960 and 961–964 (1979)Google Scholar