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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 21, Iss. 22 — Nov. 15, 1982
  • pp: 4163–4166

Direct measurement of the two principal refractive indexes of a nematic liquid crystal slab

E. Miraldi, C. Oldano, L. Trossi, and P. Taverna Valabrega  »View Author Affiliations


Applied Optics, Vol. 21, Issue 22, pp. 4163-4166 (1982)
http://dx.doi.org/10.1364/AO.21.004163


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Abstract

A new technique to measure the principal refractive indexes of a nematic liquid crystal is presented. The method is based on an indirect measurement of the refraction angle by determining the direction of a magnetic field which minimizes the light scattering. With this technique one can perform different light scattering experiments, which require a knowledge of the refractive indexes, on the same crystal slab. The accuracy is better than ±0.15%. A discussion about the systematic error due to the distortion of the director profile near the holder edges and the relative correction is given.

© 1982 Optical Society of America

History
Original Manuscript: May 18, 1982
Published: November 15, 1982

Citation
E. Miraldi, C. Oldano, L. Trossi, and P. Taverna Valabrega, "Direct measurement of the two principal refractive indexes of a nematic liquid crystal slab," Appl. Opt. 21, 4163-4166 (1982)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-21-22-4163

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