High pressure measurements of the refractive indices of two nematic liquid crystals
نویسنده
چکیده
2014 The refractive indices of two nematogens, 4-methoxy-benzylidene-4’-n-butylaniline (MBBA) and 4-n-pentyl-4’-cyanobiphenyl (5CB), have been measured throughout their nematic ranges at pressures up to 2 kbar and temperatures up to 70 °C in the first substance and up to 5 kbar and 145 °C in the second. Measurements were made at 03BB = 5 890 Å, using a sensitive interference fringe technique. Results are presented in the form of functions ne(P, T) for the extraordinary index and no (P, T) for the ordinary index, obtained by least squares fits to the experimental data. LE JOURNAL DE PHYSIQUE TOME 39, FÉVRIER 1978, Classification Physics Abstracts 61.30
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