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Switching behaviour of ferroelectric liquid crystals probed by optical second-harmonic generation

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Abstract.

Ferroelectric properties of thin (1.5–4 μm planar cells of a ferroelectric liquid crystal (FLC) mixture are studied using electro-optic measurements, second-harmonic generation (SHG) and SHG interferometry. A switching behaviour of the FLC cells in external dc electric fields is observed. It is characterised by rotation of the polarisation plane of the transmitted light and by changes in the SHG intensity, phase and anisotropy dependences, which are attributed to a collective motion of the system as a ferroelectric uniform state with C2 symmetry.

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Authors and Affiliations

  1. Department of Physics, Moscow State University, Moscow 119899, Russia, RU

    Y.G. Fokin, T.V. Murzina & O.A. Aktsipetrov

  2. Laser-Laboratorium Goettingen e.V., Hans-Adolf-Krebs-Weg 1, 37077 Goettingen, Germany, DE

    S. Soria & G. Marowsky

Authors
  1. Y.G. Fokin
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  2. T.V. Murzina
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  3. O.A. Aktsipetrov
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  4. S. Soria
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  5. G. Marowsky
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Additional information

Received: 16 October 2001 / Revised version: 18 March 2002 / Published online: 6 June 2002

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Fokin, Y., Murzina, T., Aktsipetrov, O. et al. Switching behaviour of ferroelectric liquid crystals probed by optical second-harmonic generation . Appl Phys B 74, 777–781 (2002). https://doi.org/10.1007/s00340-002-0921-9

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  • DOI: https://doi.org/10.1007/s00340-002-0921-9

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