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Journal of Optical Technology

Journal of Optical Technology

| SIMULTANEOUS RUSSIAN-ENGLISH PUBLICATION

  • Vol. 72, Iss. 6 — Jun. 1, 2005
  • pp: 469–473

Nonlinear regime of the reversible recording of holograms on photoconductor-liquid-crystal structures with high sensitivity to He-Ne laser radiation

L. P. Amosova, N. I. Pletneva, and A. N. Chaika  »View Author Affiliations


Journal of Optical Technology, Vol. 72, Issue 6, pp. 469-473 (2005)
http://dx.doi.org/10.1364/JOT.72.000469


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Abstract

A comparative study of two types of optically controlled structures with a modulating liquid-crystal layer and antimonite (Sb2S3) or arsenic selenide (As40Se60) as the photoconductor has been carried out. It is shown that diffraction efficiency up to 42% was able to be obtained in the reversible thin-hologram recording regime, while the use of a photoconductor layer whose maximum spectral sensitivity is close to the radiation wavelength of a He-Ne laser provided sensitivity of 0.75 µW/cm2 at a recording wavelength of lambda=633nm. The structures considered here are characterized by the presence of a decreasing section of the modulation response, with a falloff of the diffraction efficiency to 0.05 epsilonmax (for an Sb2S3 photoconductor layer) and 0.01 epsilonmax (for an As40Se60 photoconductor layer), because of which they can be used in holographic correlation systems for implementing nonlinear information-processing algorithms. © 2005 Optical Society of America

Citation
L. P. Amosova, N. I. Pletneva, and A. N. Chaika, "Nonlinear regime of the reversible recording of holograms on photoconductor-liquid-crystal structures with high sensitivity to He-Ne laser radiation," J. Opt. Technol. 72, 469-473 (2005)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-72-6-469

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