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Dynamic light beam deflection caused by space charge waves in photorefractive crystals

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Abstract.

During holographic recording in photorefractive crystals (BSO, BGO, and BTO) by an oscillating interference pattern we observe a strong dynamic deflection of the laser beams reflected from the crystal’s surface. The theoretical treatment shows that this new effect is associated with a nonlinear interaction of space charge gratings resulting in a quasi-homogeneous oscillating space charge field which provides deformations of the crystal via the piezoelectric effect.

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Authors and Affiliations

  1. Physical Technical Institute of the Russian Academy of Sciences, St.Petersburg, 194021, Russia, Russia

    M.P. Petrov, A.P. Paugurt & V.V. Bryksin

  2. Fachbereich Physik, Universität Osnabrück, Barbarastrasse 7, D-49069 Osnabrück, Germany, Germany

    S. Wevering, B. Andreas & E. Krätzig

Authors
  1. M.P. Petrov
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  2. A.P. Paugurt
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  3. V.V. Bryksin
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  4. S. Wevering
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  5. B. Andreas
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  6. E. Krätzig
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Additional information

Received: 3 August 1999 / Accepted 5 August 1999 / Published online: 8 September 1999

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Petrov, M., Paugurt, A., Bryksin, V. et al. Dynamic light beam deflection caused by space charge waves in photorefractive crystals. Appl Phys B 69, 341–344 (1999). https://doi.org/10.1007/s003400050816

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  • DOI: https://doi.org/10.1007/s003400050816

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