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has been cited by the following article:

• TITLE: Optical Measurements of Thermotropic Liquid Crystals

  AUTHORS: Tawfik A. El-Dessouki, Mohammed Roushdy, Nabil I. Hendawy, Magdi M. Naoum, Ayman A. Zaki

  KEYWORDS: Thermotropic Liquid Crystal; Interference; Birefringence; Speckle Photography

  JOURNAL NAME: Journal of Modern Physics, Vol.4 No.1, January 18, 2013

  ABSTRACT: In this work, an experimental approach was used for measuring birefringence of thermotropic liquid crystal materials at different wavelengths in the visible region by using speckle interferometry. Also the values of the refractive indices were measured for these thermotropic liquid crystal materials in isotropic and liquid crystal phases at different wave-lengths. Temperature dependency of the refractive indices for each LC sample at certain wavelengths was investigated in the isotropic and in LC phases.