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Real Time Amplification of Moving Light Signals by Photorefractive Ferroelectric Liquid Crystal Mixtures

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Advances in Optical Science and Engineering

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 166))

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Abstract

The photorefractive effect in photoconductive ferroelectric liquid crystal blends containing photoconductive chiral compounds was investigated. Terthiophene compounds possessing chiral structures were mixed with an achiral smectic C liquid crystal mixture. The blends exhibit the ferroelectric chiral smectic C phase. The photorefractivity of the liquid crystal blends was investigated by two-beam coupling experiments. The photoconductive ferroelectric liquid crystal blends prepared in this study exhibited a large gain coefficient of over 1200 cm−1 and a fast response time shorter than 1 ms. Amplification of an moving optical image signal of over 30 fps using the photorefractive ferroelectric liquid crystal was demonstrated.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan

    Takeo Sasaki & Yumiko Naka

Authors
  1. Takeo Sasaki
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  2. Yumiko Naka
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Corresponding author

Correspondence to Takeo Sasaki .

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Editors and Affiliations

  1. Physics and Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada

    Vasudevan Lakshminarayanan

  2. Engineering Physics and Electronics and Communication Engineering, Institute of Engineering and Management, Kolkata, West Bengal, India

    Indrani Bhattacharya

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Sasaki, T., Naka, Y. (2015). Real Time Amplification of Moving Light Signals by Photorefractive Ferroelectric Liquid Crystal Mixtures. In: Lakshminarayanan, V., Bhattacharya, I. (eds) Advances in Optical Science and Engineering. Springer Proceedings in Physics, vol 166. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2367-2_10

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