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Formation of the light beam with wavefront screw dislocation at the photorefractive effect in nematic liquid crystal

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Abstract

A light beam with wavefront screw dislocation is generated using a nematic liquid crystal under a dc electric field. Axisymmetric deformation of the director field required for the formation of such a beam appears due to light-induced removal of dc field screening by surface electric charges.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    I. A. Budagovsky, A. S. Zolot’ko, M. P. Smayev & S. A. Shvetsov

  2. Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russia

    S. A. Shvetsov

Authors
  1. I. A. Budagovsky
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  2. A. S. Zolot’ko
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  3. M. P. Smayev
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  4. S. A. Shvetsov
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Corresponding author

Correspondence to M. P. Smayev.

Additional information

Original Russian Text © I.A. Budagovsky, A.S. Zolot’ko, M.P. Smayev, S.A. Shvetsov, 2015, published in Kratkie Soobshcheniya po Fizike, 2015, Vol. 42, No. 11, pp. 18–23.

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Budagovsky, I.A., Zolot’ko, A.S., Smayev, M.P. et al. Formation of the light beam with wavefront screw dislocation at the photorefractive effect in nematic liquid crystal. Bull. Lebedev Phys. Inst. 42, 319–322 (2015). https://doi.org/10.3103/S1068335615110032

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  • DOI: https://doi.org/10.3103/S1068335615110032

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