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Composite Holographic Gratings Containing Light-Responsive Liquid Crystals for Visible Bichromatic Switching

Authors

  • Luciano De Sio,

    Corresponding author
    1. Liquid Crystals Laboratory (LICRYL) National Institute for the Physics of Matter (INFM-CNR) Center of Excellence CEMIF.CAL and Department of Physics University of Calabria 87036 Arcavacata di Rende (CS) (Italy)
    • Liquid Crystals Laboratory (LICRYL) National Institute for the Physics of Matter (INFM-CNR) Center of Excellence CEMIF.CAL and Department of Physics University of Calabria 87036 Arcavacata di Rende (CS) (Italy).
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  • Svetlana Serak,

    1. Beam Engineering for Advanced Measurements Company Winter Park, Florida 32789 (USA)
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  • Nelson Tabiryan,

    Corresponding author
    1. Beam Engineering for Advanced Measurements Company Winter Park, Florida 32789 (USA)
    • Beam Engineering for Advanced Measurements Company Winter Park, Florida 32789 (USA).
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  • Sameh Ferjani,

    1. Liquid Crystals Laboratory (LICRYL) National Institute for the Physics of Matter (INFM-CNR) Center of Excellence CEMIF.CAL and Department of Physics University of Calabria 87036 Arcavacata di Rende (CS) (Italy)
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  • Alessandro Veltri,

    1. Liquid Crystals Laboratory (LICRYL) National Institute for the Physics of Matter (INFM-CNR) Center of Excellence CEMIF.CAL and Department of Physics University of Calabria 87036 Arcavacata di Rende (CS) (Italy)
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  • Cesare Umeton

    1. Liquid Crystals Laboratory (LICRYL) National Institute for the Physics of Matter (INFM-CNR) Center of Excellence CEMIF.CAL and Department of Physics University of Calabria 87036 Arcavacata di Rende (CS) (Italy)
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Abstract

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Polymeric microstructures, produced in a multi-step chemico-physical process, confine and stabilize a well-aligned nematic liquid crystal (NLC) film, which is doped with a high-performance mesogenic azobenzene dye, sensitive in the visible range.

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