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000009012 084__ $$2WoS$$aOptics
000009012 1001_ $$0P:(DE-HGF)0$$aVieweg, N.$$b0
000009012 245__ $$aMolecular properties of liquid crystals in the terahertz frequency range
000009012 260__ $$aWashington, DC$$bSoc.$$c2010
000009012 300__ $$a6097 - 6107
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000009012 440_0 $$010801$$aOptics Express$$v18$$x1094-4087$$y6
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000009012 520__ $$aWe 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.
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000009012 650_2 $$2MeSH$$aComputer Simulation
000009012 650_2 $$2MeSH$$aLight
000009012 650_2 $$2MeSH$$aLiquid Crystals: chemistry
000009012 650_2 $$2MeSH$$aModels, Chemical
000009012 650_2 $$2MeSH$$aRefractometry
000009012 650_2 $$2MeSH$$aScattering, Radiation
000009012 650_2 $$2MeSH$$aTerahertz Radiation
000009012 650_7 $$2WoSType$$aJ
000009012 7001_ $$0P:(DE-HGF)0$$aJansen, C.$$b1
000009012 7001_ $$0P:(DE-HGF)0$$aShakfa, M.K.$$b2
000009012 7001_ $$0P:(DE-HGF)0$$aScheller, M.$$b3
000009012 7001_ $$0P:(DE-HGF)0$$aKrumbholz, N.$$b4
000009012 7001_ $$0P:(DE-HGF)0$$aWilk, R.$$b5
000009012 7001_ $$0P:(DE-Juel1)128613$$aMikulics, M.$$b6$$uFZJ
000009012 7001_ $$0P:(DE-HGF)0$$aKoch, M.$$b7
000009012 773__ $$0PERI:(DE-600)1491859-6$$a10.1364/OE.18.006097$$gVol. 18, p. 6097 - 6107$$p6097 - 6107$$q18<6097 - 6107$$tOptics express$$v18$$x1094-4087$$y2010
000009012 8567_ $$uhttp://dx.doi.org/10.1364/OE.18.006097
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