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Optical bistability of the director field of the dendrimer-doped nematic liquid crystal

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Abstract

It was found that the second-generation carbosilane dendrimers with statistically distributed terminal aliphatic and azobenzene fragments induce negative orientational nonlinearity in nematic liquid crystals (NLC) (the NLC director turns perpendicular to the light field, decreasing the refractive index of an extraordinary wave). The light-induced Freedericksz transition in planar oriented NLCs is the first-order orientational phase transition characterized by a wide bistability region.

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Authors and Affiliations

  1. Faculty of Chemistry, Moscow State University, Moscow, 119899, Russia

    N. I. Boiko

  2. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 119333, Russia

    M. I. Barnik

Authors
  1. E. A. Babayan
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  2. I. A. Budagovsky
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  3. A. S. Zolot’ko
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  4. M. P. Smayev
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  5. S. A. Shvetsov
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  6. N. I. Boiko
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  7. M. I. Barnik
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Additional information

Original Russian Text © E.A. Babayan, I.A. Budagovsky, A.S. Zolot’ko, M.P. Smayev, S.A. Shvetsov, N.I. Boiko, M.I. Barnik, 2010, published in Kratkie Soobshcheniya po Fizike, 2010, Vol. 37, No. 8, pp. 46–54.

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Babayan, E.A., Budagovsky, I.A., Zolot’ko, A.S. et al. Optical bistability of the director field of the dendrimer-doped nematic liquid crystal. Bull. Lebedev Phys. Inst. 37, 257–261 (2010). https://doi.org/10.3103/S1068335610080063

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  • DOI: https://doi.org/10.3103/S1068335610080063

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