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@ARTICLE{Vieweg:9012,
      author       = {Vieweg, N. and Jansen, C. and Shakfa, M.K. and Scheller, M.
                      and Krumbholz, N. and Wilk, R. and Mikulics, M. and Koch,
                      M.},
      title        = {{M}olecular properties of liquid crystals in the terahertz
                      frequency range},
      journal      = {Optics express},
      volume       = {18},
      issn         = {1094-4087},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PreJuSER-9012},
      pages        = {6097 - 6107},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We report on a first experimental study of the molecular
                      properties of nematic liquid crystals in the terahertz
                      range. In the beginning, we extract the frequency and
                      temperature dependent refractive index and absorption
                      coefficient of the cyanobiphenyls 5CB, 6CB and 7CB from
                      terahertz time domain spectroscopy measurements and
                      investigate the impact of the alkyl chain length on the
                      macroscopic liquid crystal characteristics, focusing
                      especially on the pronounced odd and even effect. Next, we
                      deduce the principle polarizabilities and the order
                      parameter S by applying Vuks' approximation and Haller's
                      approach. On this basis, we calculate the main
                      polarizabilities along the longitudinal and transverse axis
                      and link the observed terahertz properties to the molecular
                      structure of the liquid crystals.},
      keywords     = {Computer Simulation / Light / Liquid Crystals: chemistry /
                      Models, Chemical / Refractometry / Scattering, Radiation /
                      Terahertz Radiation / J (WoSType)},
      cin          = {IBN-1 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB799 / $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Optics},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:20389631},
      UT           = {WOS:000276002500081},
      doi          = {10.1364/OE.18.006097},
      url          = {https://juser.fz-juelich.de/record/9012},
}