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Browsing VESASC by Subject "Extra-ordinary and ordinary refractive index"

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    Temperature and Concentration dependence of Refractive Index of Cholesteric Liquid Crystal Solution
    (Physical Chemistry: An Indian Journal, 2012) Kanwar, Anita; Yadav, Priya
    Average refractive indices of Cholesteric liquid crystal (Cholesteryl pelargonate: CP) dissolved in a soluble solvent were measured at various temperatures and concentrations. Multi-wavelength (visible range) refractometer made using hollow prism is used in the measurement. Due to variation in extra-ordinary and ordinary refractive index average refractive index changes with temperature for various concentrations of the solution. The changes in average refractive index were investigated for three wavelengths: 404 nm, 546 nm and 578 nm. Results so obtained are pre- sented in this paper and are in accordance with claim by Hecht in his book.