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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BWA0-0015-0057

Czasopismo

Opto - Electronics Review

Tytuł artykułu

Optical data storage in LC cells

Autorzy Sutkowski, M.  Grudniewski, T.  Zmijan, R.  Parka, J.  Nowinowski-Kruszelnicki, E. 
Treść / Zawartość http://www.wat.edu.pl/review/optor/contents.htm
Warianty tytułu
Konferencja International Workshop on Liquid Crystals for Photonic ; (26-28.04.2006 ; Gent, Belgium)
Języki publikacji EN
Abstrakty
EN Liquid crystal devices as a medium for holograms storage have been investigated. Long term memory effects in LC cells have been observed. Experiments proved that certain combination of insulating alignment layers has a major influence on the long term memory effect. Optimal liquid crystal cell construction allows us to achieve sufficient diffraction efficiency to record holographic patterns and to develop a re-writable holographic medium. The configuration of PVK and polyimide layers in LC cell construction with specific LC mixture was tested. The method of permanent and re-writable recording of optical data (holographic pattern) onto LC cells was achieved. However, the method of erasing recorded data was realized but mechanisms of this phenomenon are not clearly understood yet.
Słowa kluczowe
EN photorefractive liquid crystals   holography   optical data storage  
Wydawca Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Czasopismo Opto - Electronics Review
Rocznik 2006
Tom Vol. 14, No. 4
Strony 335--337
Opis fizyczny Bibliogr. 7 poz.
Twórcy
autor Sutkowski, M.
autor Grudniewski, T.
autor Zmijan, R.
autor Parka, J.
autor Nowinowski-Kruszelnicki, E.
  • Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, 15/19 Nowowiejska Str., 00-865 Warsaw, Poland, sut@imio.pw.edu.pl
Bibliografia
1. J. Parka, M. Sutkowski, and T. Grudniewski, "Liquid crystal photosensitive cells as a medium for real-time digital projected holograms", Molecular Crystals and Liquid Crystals 10, 11-15 (2002).
2. J. Parka, T. Grudniewski, E. Nowinowski, and Y. Kurioz, "Photorefractive effects in nematic liquid crystal cells with different orientation layers", Opto-Electron. Rev. 10, 11-15 (2002).
3. A.F. Naumov and G.D. Love, "Perspectives of liquid crystals for adaptive optics applications", Proc. SPIE 4124, 57-62 (2000).
4. K. Komorowska, A. Miniewicz, and J. Parka, "Holographic grating recording in large area photoconducting liquid crystal panels", Synthetic Metals 109, 189-193 (2000).
5. T. Grudniewski, M. Sutkowski, J. Parka, and A. Miniewicz, "The digital holograms projected onto LC cells", Biuletyn WAT 51, (2002). (in Polish).
6. T. Grudniewski, J. Parka, R. Dąbrowski, A. Januszko, and A. Miniewicz, "Investigations of the diffraction efficiency in dye-doped LC cells under low frequency AC voltage", Opto-Electron. Rev. 10, 11-15 (2002).
7. J. Parka, "Investigation of physical and electrooptical properties of liquid crystal guest-host nematic mixtures system for dynamic holography", Proc. SPIE 4101, 97-101 (2000).
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