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Journal of Optical Technology

Journal of Optical Technology

| SIMULTANEOUS RUSSIAN-ENGLISH PUBLICATION

  • Vol. 78, Iss. 6 — Jun. 1, 2011
  • pp: 400–402

How the initial tilt angle of the director of a dual-frequency liquid crystal affects the electrooptic characteristics of cells

I. F. Galin and E. A. Konshina  »View Author Affiliations


Journal of Optical Technology, Vol. 78, Issue 6, pp. 400-402 (2011)
http://dx.doi.org/10.1364/JOT.78.000400


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Abstract

This paper discusses cells filled with a dual-frequency nematic liquid crystal (DNLC) in which the initial tilt angle θp of the director was varied in the interval from 40° to 75° by varying the surface relief of the orienting layers. The experimental dependences of the time to change the phase lag by 2π at a wavelength of 0.65 µm on angle θp for longitudinal and transverse deformation of the DNLC layer have been obtained for the first time. It is shown that transverse elastic deformation is a slower process than longitudinal elastic deformation. The ON or OFF time of the cells as a result of the process of longitudinal elastic deformation occupied 1–2 ms when a field is applied with frequency 1 kHz, and was 3–9 ms for transverse deformation by applying an electric field with frequency 30 kHz.

© 2011 OSA

History
Original Manuscript: December 16, 2010
Published: July 14, 2011

Citation
I. F. Galin and E. A. Konshina, "How the initial tilt angle of the director of a dual-frequency liquid crystal affects the electrooptic characteristics of cells," J. Opt. Technol. 78, 400-402 (2011)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-78-6-400


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References

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  3. E. A. Konshina, N. L. Ivanova, P. S. Parfenov, and M. A. Fedorov, "Reorientation dynamics of a dual-frequency nematic single crystal with quasi-homeotropic structure," Opt. Zh. 77, (12), 45 (2010) [J. Opt. Technol. 77, 770 (2010)].
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  5. E. A. Konshina, M. A. Fedorov, and L. P. Amosova, "Determining the director tilt and phase lag of liquid-crystal cells by optical methods," Opt. Zh. 73, (12), 9 (2006) [J. Opt. Technol. 73, 830 (2006)].
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