Determination of orientational order and effective geometry parameter from refractive indices of some nematics

References

• Bahadur , B , ed. 1990 . Liquid crystals: applications and uses , Singapore : World Scientific . editor
   Google Scholar
• Wu , ST. 1986 . Birefringence dispersions of liquid crystals . Phys Rev A. , 33 : 1270 – 1274 .
   PubMed Web of Science ®Google Scholar
• Abdulhalim , I. 1991 . Dispersion relations for the refractive indices and the effective birefringence of liquid crystals . Mol Cryst Liq Cryst. , 197 : 103 – 108 .
   Web of Science ®Google Scholar
• Averyanov , EM. 1997 . Dispersion of refractive indices in nematic liquid crystals . J Opt Tech. , 64 : 471
   Web of Science ®Google Scholar
• Li , J , Gauza , S and Wu , ST. 2004 . Temperature effect on liquid crystal refractive indices . J Appl Phys. , 96 : 19 – 24 .
   PubMed Web of Science ®Google Scholar
• Li , J and Wu , ST. 2004 . Extended Cauchy equations for the refractive indices of liquid crystals . J Appl Phys. , 95 : 896 – 901 .
   Web of Science ®Google Scholar
• De Gennes , PG. 1974 . The physics of liquid crystals , Oxford : Clarendon Press .
   Google Scholar
• Chandrasekhar , S. 1977 . Liquid crystals , Cambridge : Cambridge University Press .
   Google Scholar
• Hanson , EG and Shen , YR. 1976 . Refractive indices and optical anisotropy of homologous liquid crystals . Mol Cryst Liq Cryst. , 36 : 193 – 207 .
   Web of Science ®Google Scholar
• Kumar , A. 2007 . Calculation of optical parameters of liquid crystals . Acta Phys Polon A. , 112 : 1213 – 1221 .
   Web of Science ®Google Scholar
• Horn , RG. 1978 . Refractive indices and order parameters of two liquid crystals . J Phys. , 39 : 105 – 109 .
   Web of Science ®Google Scholar
• Sen , S , Kali , K , Roy , SK and Roy , SB. 1985 . Refractive indices and dielectric studies of three phenylcyclohexane liquid crystals in the nematic phase . Mol Cryst Liq Cryst. , 126 : 269 – 279 .
   Web of Science ®Google Scholar
• Chirtoc , I , Chirtoc , M , Glorieux , C and Thoen , J. 2004 . Determination of the order parameter and its critical exponent for nCB (n = 5–8) liquid crystals from refractive index data . Liq Cryst. , 31 : 229 – 240 .
   Web of Science ®Google Scholar
• Gleeson , HF , Southern , CD , Brimicombe , PD , Goodby , JW and Gortz , V. 2010 . Optical measurements of orientational order in uniaxial and biaxial nematic liquid crystals . Liq Cryst. , 37 : 949 – 959 .
   Web of Science ®Google Scholar
• Vieweg , N , Jansen , C , Shakfa , MK , Scheller , M , Krumbholz , N , Wilk , R , Mikulics , M and Koch , M. 2010 . Molecular properties of liquid crystals in the terahertz frequency range . Opt Express. , 18 : 6097 – 6107 .
   PubMed Web of Science ®Google Scholar
• Haller , I. 1975 . Thermodynamic and static properties of liquid crystals . Prog Solid State Chem. , 10 : 103 – 118 .
   Google Scholar
• Vuks , MF. 1966 . Determination of the optical anisotropy of aromatic molecules from the double refraction of crystals . Opt Spectrosc. , 20 : 361 – 368 .
   Web of Science ®Google Scholar
• Neugebauer , HEJ. 1954 . Claussius–Mossotti equation for certain types of anisotropic crystals . Can J Phys. , 32 : 1 – 8 .
   Web of Science ®Google Scholar
• Satiro , C and Moraes , F. 2009 . Temperature as a control parameter of the light trajectories in nematics with topological defects . Mol Cryst Liq Cryst. , 508 : 261 – 266 .
   Web of Science ®Google Scholar
• Satiro , C and Moraes , F. 2005 . A liquid crystal analogue of the cosmic string . Mod Phys Lett A. , 20 : 2561 – 2565 .
   Web of Science ®Google Scholar
• Satiro , C and Moraes , F. 2006 . Lensing effects in a nematic liquid crystal with topological defects . Eur Phys J E. , 20 : 173 – 178 .
   PubMed Web of Science ®Google Scholar
• Satiro , C and Moraes , F. 2008 . On the deflection of light by topological defects in nematic liquid crystals . Eur Phys J E. , 25 : 425 – 429 .
   PubMed Web of Science ®Google Scholar
• Subramhanyam , HS and Prasad , JS. 1976 . Refractive indices, densities, polarizabilities and molecular order in nematic p-ethoxy benzylidene-pn-butylaniline . Mol Cryst Liq Cryst. , 37 : 23 – 27 .
   Web of Science ®Google Scholar
• Ibrahim , IH and Haase , W. 1979 . Molecular properties of some nematic liquids. II. Refractive index and order parameter . J Phys France. , 40 : 191 – 198 .
   Google Scholar
• Bhowmick , K , Mukhopadhyay , A and Roy , SK. 2004 . The temperature dependence of the orientational order parameter of the mesogens: 4′-n-propyl phenyl-4-(4′-n-pentyl cyclohexyl) benzoate, trans-4-propyl cyclohexyl 4-(trans-4-pentyl Cyclohexyl) benzoate and 4-pentyl cyclohexyl-4-(4-propyl cyclohexyl) benzoate from optical studies . Mol Cryst Liq Cryst. , 409 : 437 – 447 .
   Web of Science ®Google Scholar
• Soorya , TN , Gupta , S , Kumar , A , Jain , S , Arora , VP and Bahadur , B. 2006 . Temperature dependent optical property studies of nematic mixtures . Ind J Pure Appl Phys. , 44 : 524 – 531 .
   Web of Science ®Google Scholar
• Sastry , SS , Kumari , TV , Begum , SS and Rao , VV. 2011 . Investigations into effective order geometry in a series of liquid crystals . Liq Cryst. , 38 : 277 – 285 .
   Web of Science ®Google Scholar
• Li , J and Wu , ST. 2004 . Two-coefficient Cauchy model for low birefringence liquid crystals . J Appl Phys. , 96 : 170 – 174 .
   Web of Science ®Google Scholar
• Sastry , SS , Kumari , TV , Mallika , K , Rao , BGS , Ha , ST and Lakshminarayana , S. 2012 . Order parameter studies on EPAP alkanoate mesogens . Liq Cryst. , 39 : 295 – 301 .
   Web of Science ®Google Scholar
• Pisipati , VGKM , Latha , DM , Prasad , PVD and Rani , GP. 2012 . Order parameter studies from effective order geometry in a number of liquid crystals of different homologous series . J Mol Liq. , 174 : 1 – 4 .
   Web of Science ®Google Scholar