Optical Properties of 4-Octyl-4'-Cyanobiphenyl Liquid-Crystalline Free-Standing Films
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Accession number;05A0303255
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| Title;Optical Properties of 4-Octyl-4'-Cyanobiphenyl Liquid-Crystalline Free-Standing Films |
| Author;
MATSUHASHI N
(Hachinohe National Coll. Of Technol., Aomori, Jpn)
OKUMOTO Y
(Nagaoka Univ. Technol., Niigata, Jpn)
KIMURA M
(Nagaoka Univ. Technol., Niigata, Jpn)
AKAHANE T
(Nagaoka Univ. Technol., Niigata, Jpn)
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Journal Title;Jpn J Appl Phys Part 1
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Journal Code:G0520B
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ISSN:0021-4922
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VOL.44;NO.1B;PAGE.582-586(2005)
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| Figure&Table&Reference;FIG.8, TBL.1, REF.11 |
| Pub. Country;Japan |
| Language;English |
| Abstract;The optical properties of 4-octyl-4'-cyanobiphenyl (8CB) liquid-crystalline free-standing films (FSFs) were studied. The theoretical characteristics of the smectic A (SmA) phase FSF were determined using the analytical method. The incidence angle dependence of the phase difference for 100 8CB-FSFs was measured by transmission ellipsometry using a photoelastic modulator (PEM). The number of layers could clearly be separated from 2 to 9 layers. As a result of the least-squares fitting in all the films, the same anisotropies of the refractive indices n||=1.665 and n.ORTH.=1.523 were obtained, and the layer spacing became approximately 2.3 nm. (author abst.) |
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