Refractive indices of liquid crystal E7 depending on temperature and wavelengths

Mingjian Ma; Shuguang Li; Xili Jing; Hailiang Chen

doi:10.1117/1.OE.56.11.117109

29 November 2017 Refractive indices of liquid crystal E7 depending on temperature and wavelengths

Mingjian Ma, Shuguang Li, Xili Jing, Hailiang Chen

Author Affiliations +

Optical Engineering, Vol. 56, Issue 11, 117109 (November 2017). https://doi.org/10.1117/1.OE.56.11.117109

Abstract

The dependence of refractive indices of liquid crystal (LC) on temperature is represented by the Haller approximation model, and its dependence on the wavelength is expressed by the extended Cauchy model. We derived the refractive indices expressions of nematic LC E7 depending on temperature and wavelength simultaneously by combining these two models. Based on the obtained expressions, one can acquire the refractive indices of E7 at arbitrary temperature and wavelengths. The birefringence, variation rate of refractive indices, macroscopic order parameter Q, and orientational order parameter ⟨P2⟩ of E7 were then discussed based on the expressions.

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Mingjian Ma, Shuguang Li, Xili Jing, and Hailiang Chen "Refractive indices of liquid crystal E7 depending on temperature and wavelengths," Optical Engineering 56(11), 117109 (29 November 2017). https://doi.org/10.1117/1.OE.56.11.117109

Received: 24 September 2017; Accepted: 9 November 2017; Published: 29 November 2017

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