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High birefringence liquid crystal mixtures for electro-optical devices

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Języki publikacji
EN
Abstrakty
EN
High-birefringence nematic liquid crystals recently developed in the Military University of Technology (Poland) are examined for selected physical properties. In particular, for six liquid crystal mixtures there were determined: two components of dielectric permittivity for voltage frequencies in the range from 10 Hz to 10 MHz; rotational viscosity; splay, twist and bend elastic constants; ordinary and extraordinary refractive indices for light wavelengths in the range from 0.3 ?m to 1.6 ?m. The properties are discussed in terms of applicability of the new liquid crystals to electro-optical devices.
Słowa kluczowe
Czasopismo
Rocznik
Strony
167--180
Opis fizyczny
Bibliogr. 15 poz.
Twórcy
  • Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
  • Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
autor
  • Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
  • Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
autor
  • Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
autor
autor
autor
autor
  • Warsaw University of Technology, Plac Politechniki 1, 00-661 Warsaw, Poland
autor
autor
autor
  • Radom University of Technology, ul. Malczewskiego 29, 26-600 Radom, Poland
Bibliografia
  • [1] DĄBROWSKI R., DZIADUSZEK J., SZCZUCIŃSKI T., Mesomorphic characteristics ofthe some new homologous series with the isothiocyanato terminal group, Molecular Crystals and Liquid Crystals 124(1), 1985, pp. 241–257.
  • [2] SPADŁO A., DĄBROWSKI R., FILIPOWICZ M., BOGUN M., GAUZA S., WU S.T., Synthesis, mesomorphic and optical properties of 4'-alkyl-3,5-difluoro-4-isothiocyanatotolaqnes and 4'-alkylphenyl-3,5-difluoro-4-isothiocyanatotolanes, Conference Proceedings, XVI Conference on Liquid Crystals, Stare Jabłonki, 2005, Poland, pp. 53–58.
  • [3] DĄBROWSKI R., DZIADUSZEK J., ZIÓŁEK A., SZCZUCIŃSKI Ł., STOLARZ Z., SASNOUSKI G., BEZBORODOV V.,LAPANIK W., GAUZA S., WU S.T., Low viscosity, high birefringence liquid crystalline compounds and mixtures, Opto-Electronics Review 15(1), 2007, pp. 47–51.
  • [4] GAUZA S., WEN C.H., WU B., WU S.T., SPADŁO A., DĄBROWSKI R., High figure-of-merit nematic mixtures based on totally unsaturated isothiocyanate liquid crystals, Liquid Crystals 33(6), 2006,pp. 705–710.
  • [5] DĄBROWSKI R., DZIADUSZEK J., GARBAT K., FILIPOWICZ M., URBAN S., GAUZA S., SASNOUSKI G.,Synthesis and mesogenic properties of three- and four-ring compounds with a fluoroisothiocyanatobiphenyl moiety, Liquid Crystals 37(12), 2010, pp. 1529–1537.
  • [6] RASZEWSKI Z., Measurement permittivityof liquidcrystalline substances, Electron Technology 20, 1987, pp. 99–113.
  • [7] PERKOWSKI P., Dielectric spectroscopy of liquid crystals. Theoretical model of ITO electrodes influence on dielectric measurements, Opto-Electronics Review 17(2), 2009, pp. 180–186.
  • [8] BARAN J.W., RASZEWSKI Z., DABROWSKI R., KĘDZIERSKI J., RUTKOWSKA J., Some physical properties of mesogenic 4-(trans-4'-n-alkylcyclohexyl)-isothiocyanatobenzenes, Molecular Crystals and Liquid Crystals 123(1), 1985, pp. 237–245.
  • [9] KĘDZIERSKI J., KOJDECKI M.A., RASZEWSKI Z., ZIELIŃSKI J., LIPIŃSKA L., Determination of anchoring energy, diamagnetic susceptibility anisotropy and elasticity of some nematics by means of semiempirical metod of self-consistent director field, Proceedings of SPIE 6023, 2005,
  • [10] KĘDZIERSKI J., RASZEWSKI Z., KOJDECKI M.A., KRUSZELNICKI-NOWINOWSKI E., PERKOWSKI P., PIECEK W., MISZCZYK E., ZIELIŃSKI J., MORAWIAK P., OGRODNIK K., Determination of ordinary and extraordinary refractive indices of nematic liquid crystals by using wedge cells, Opto-Electronics Review 18(2), 2010, pp. 214–218.
  • [11] MISZCZYK E., RASZEWSKI Z., KĘDZIERSKI J., NOWINOWSKI-KRUSZELNICKI E., KOJDECKI M.A., PERKOWSKI P., PIECEK W., OLIFIERCZUK M., Interference method for determining dispersion of refractive indices of liquid crystals, Molecular Crystals and Liquid Crystals 544(1), 2011, pp. 22–36.
  • [12] KĘDZIERSKI J., RASZEWSKI Z., NOWINOWSKI-KRUSZELNICKI E., KOJDECKI M.A., PIECEK W., PERKOWSKI P., MISZCZYK E., Composite method for measurement of splay, twist and bend nematic elastic constants by use of single special in-plane-switched cell, Molecular Crystals and Liquid Crystals 544(1), 2011, pp. 56–68.
  • [13] TARUMI K., FINKENZELLER U., SCHULER B., Dynamic behaviour of twisted nematic liquid crystals, Japanese Journal of Applied Physics Part 1 31(9A), 1992, pp. 2829–2836.
  • [14] NOWINOWSKI-KRUSZELNICKI E., JAROSZEWICZ L., RASZEWSKI Z., SOMS L., PIECEK W., PERKOWSKI P., KĘDZIERSKI J., DĄBROWSKI R., OLIFIERCZUK M., MISZCZYK E., Liquid crystal cell for space-borne laser rangefinder to space mission applications, Opto-Electronics Review, 2011, (in press).
  • [15] RASZEWSKI Z., KRUSZELNICKI-NOWINOWSKI E., KĘDZIERSKI J., PERKOWSKI P., PIECEK W., DĄBROWSKI R., MORAWIAK P., OGRODNIK K., Electrically tunable liquid crystal filters, Molecular Crystals and Liquid Crystals 525(1), 2010 pp. 112–127.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0019-0096
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