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Kamenov VP, Shamonina E, Ringhofer KH, et al. Photorefractive light scattering families in (111)-cut Bi12TiO20 crystals with an external electric ac field. Phys Rev E Stat Nonlin Soft Matter Phys. 2000;63(1):016607doi: 10.1103/PhysRevE.63.016607.
Kamenov, V. P., Shamonina, E., Ringhofer, K. H., Nippolainen, E., Prokofiev, V. V., & Kamshilin, A. A. (2001). Photorefractive light scattering families in (111)-cut Bi12TiO20 crystals with an external electric ac field. Physical review. E, Statistical, nonlinear, and soft matter physics, 63(1), 016607. https://doi.org/10.1103/PhysRevE.63.016607
Kamenov, V P, et al. "Photorefractive light scattering families in (111)-cut Bi12TiO20 crystals with an external electric ac field." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 63,1 (2001): 016607. doi: https://doi.org/10.1103/PhysRevE.63.016607
Kamenov VP, Shamonina E, Ringhofer KH, Nippolainen E, Prokofiev VV, Kamshilin AA. Photorefractive light scattering families in (111)-cut Bi12TiO20 crystals with an external electric ac field. Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Jan;63(1):016607. doi: 10.1103/PhysRevE.63.016607. Epub 2000 Dec 20. PMID: 11304378.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Jan;63(1):016607. doi: 10.1103/PhysRevE.63.016607. Epub 2000 Dec 20.

Photorefractive light scattering families in (111)-cut Bi12TiO20 crystals with an external electric ac field.

Physical review. E, Statistical, nonlinear, and soft matter physics

V P Kamenov, E Shamonina, K H Ringhofer, E Nippolainen, V V Prokofiev, A A Kamshilin

Affiliations

  1. Department of Physics, University of Osnabrück, D-49069 Osnabrück, Germany.

PMID: 11304378 DOI: 10.1103/PhysRevE.63.016607

Abstract

We investigate here both theoretically and experimentally light-induced scattering in (111)-cut Bi12TiO20 crystals with an external ac field. Our simple analytic solution, which is nearly as precise as the numeric one, allows us to recognize the following otherwise hidden general features. Without the elasto-optic contribution, the scattering patterns are identical for the same value of xi=zeta(0)+(2/3)straight phi(p), where straight phi(p) is the initial polarization angle and zeta(0) is the angle of the external field. With the elasto-optic contribution, the scattering patterns for the same xi are still very similar. For xi not equal0, the scattering patterns depend differently on the elasto-optic coefficients p(12) and p(13) so that in principle p(12) and p(13) can be measured by purely holographic experiments. On the experimental side, we present scattering patterns for xi=0 and +/-30 degrees, showing thereby the similarity of the scattering patterns for equal values of xi. In all cases, we obtain good qualitative agreement of our analytic and numeric calculations with the experimental findings.

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