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Proceedings Paper

Influence of LC cell layer modifications on diffraction efficiency and the memory effect
Author(s): T. Grudniewski; M. Sutkowski; J. Parka; E. Nowinowski
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Paper Abstract

Our previous investigation regarding liquid crystal mixtures, used as a medium for dynamic holography, has proved the influence of addition of PVK (polivinylocarbazol) layer to the LC cell structure as a sensitivity amplifier [1]. This modification was very useful for bettering the dynamic properties of these modulators. In some cases (of LC Cells) we observe some kind of memory effect - holograms written before could be observed months after writing. We decided to examine different cells to determine CL Cell construction as rewritable holographic media.

Paper Details

Date Published: 6 October 2005
PDF: 4 pages
Proc. SPIE 5947, Liquid Crystals: Optics and Applications, 594717 (6 October 2005); doi: 10.1117/12.626022
Show Author Affiliations
T. Grudniewski, Warsaw Univ. of Technology (Poland)
M. Sutkowski, Military Univ. of Technology (Poland)
J. Parka, Military Univ. of Technology (Poland)
E. Nowinowski, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5947:
Liquid Crystals: Optics and Applications
Tomasz R. Wolinski; Marc Warenghem; Shin-Tson Wu, Editor(s)

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