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2012 | 122 | 4 | 754-757
Article title

Effect of Temperature on the Refractive Indices of Liquid Crystals and Validation of a Modified Four-Parameter Model

Content
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EN
Abstracts
EN
The variation of refractive indices with temperature of three pure nematogenic compounds 5OCB, CPHB and 6CHBT were studied experimentally using thin prism technique. The refractive indices n_{o} and n_{e} were measured using 633 nm lines from a He-Ne laser. A modified four-parameter model was taken which is based on the Vuks equation describing the effect of temperature on the refractive indices of liquid crystals. In this paper we report the variation of refractive indices of these three liquid crystals with temperature, using the thin prism method. The variation in birefringence was determined experimentally. The variation in refractive indices and birefringence were also fitted theoretically using the modified Vuks equation. On comparison, the theoretically fitted values show close agreement with the experimental values.
Keywords
EN
Year
Volume
122
Issue
4
Pages
754-757
Physical description
Dates
published
2012-10
received
2012-02-22
(unknown)
2012-08-10
References
  • [1] M. Roushdy, Liq. Cryst. 31, 371 (2004)
  • [2] M. Roushdy, Mol. Cryst. Liq. Cryst. 457, 151 (2006)
  • [3] R.A.M. Hikmet, Liq. Cryst. 33, 1407 (2006)
  • [4] J. Li, S.T. Wu, J. Appl. Phys. 95, 896 (2004)
  • [5] A.K. Singh, R. Manohar, J.P. Shukla, A.M. Biradar, Acta Phys. Pol. A 116, 485 (2006)
  • [6] J. Li, S.T. Wu, J. App. Phys. 95, 6253 (2004)
  • [7] A. Kumar, Acta Phys. Pol. A 112, 1213 (2007)
  • [8] T.N. Soorya, S. Gupta, A. Kumar, S. Jain, V.P. Arora, B. Bahadur, Ind. J. Pure Appl. Phys. 44, 524 (2006)
  • [9] J. Li, S. Gauza, S.T. Wu, J. Appl. Phys. 96, 19 (2004)
  • [10] J.V. Yakhmi, V.K. Kelkar, R.P. Shukla, C. Manohari, Mol. Cryst. Liq. Cryst. 53, 55 (1979)
  • [11] D. Gupta, A. Mukhopadhyay, S.K. Roy, Mol. Cryst. Liq. Cryst. 506, 77 (2009)
  • [12] S. Brugioni, R. Meucci, S. Faetti, Mol. Cryst. Liq. Cryst. 465, 51 (2007)
  • [13] I.H. Ibrahim, W. Haase, J. Phys. (France) 40, 191 (1979)
  • [14] I. Palarie, C. Florea, J. Optoelectron. Adv. Mater. 7, 997 (2005)
  • [15] D. Sunanda, M.S. Madhava, D. Revannasiddaiah, R. Somashekar, J. Mahadeva, Mol. Cryst. Liq. Cryst. 409, 163 (2004)
  • [16] M.S. Sen, P. Brahma, S.K. Roy, D.K. Mukherjee, S.B. Roy, Mol. Cryst. Liq. Cryst. 100, 327 (1983)
  • [17] H.J. Muller, W. Haase, Mol. Cryst. Liq. Cryst. 409, 127 (2004)
  • [18] S. Chakraborty, A. Mukhopadhyay, S.K. Roy, Mol. Cryst. Liq. Cryst. 487, 13 (2008)
  • [19] S. Chakraborty, A. Mukhopadhyay, S.K. Roy, Mol. Cryst. Liq. Cryst. 493, 31 (2008)
  • [20] Y. Takanishi, M. Yoshiimoto, K. Ishigawa, H. Takezoe, Mol. Cryst. Liq. Cryst. 331, 619 (1999)
  • [21] K. Kali, S. Sen, S. Kumar Roy, Bull. Chem. Soc. Jpn. 58, 3576 (1985)
  • [22] S. Datta Sarkar, B. Choudhury, Acta Phys. Pol. A 118, 665 (2010)
  • [23] S. Datta Sarkar, B. Choudhury, Mol. Cryst. Liq. Cryst. 543, 214 (2011)
  • [24] S. Chakraborty, A. Mukhopadhyay, S.K. Roy, Mol. Cryst. Liq. Cryst. 482, 21 (2008)
  • [25] R.G. Horn, J. Phys. (France) 39, 105 (1978)
  • [26] J. Li, S. Gauza, S.T. Wu, Opt. Expr. 12, 4193 (2002)
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv122n422kz
Identifiers
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