PMID: 11909091Mar 23, 2002Paper

Effective index of refraction, optical rotation, and circular dichroism in isotropic chiral liquid crystals

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
D LacosteT C Lubensky

Abstract

This paper concerns optical properties of the isotropic phase above the isotropic-cholesteric transition and of the blue phase BP III. We introduce an effective index, which describes spatial dispersion effects such as optical rotation, circular dichroism, and the modification of the average index due to the fluctuations. We derive the wavelength dependence of these spatial dispersion effects quite generally without relying on an expansion in powers of the chirality and without assuming that the pitch of the cholesteric P is much shorter than the wavelength of the light lambda, an approximation that has been made in previous studies of this problem. The theoretical predictions are supported by comparing them with experimental spectra of the optical activity in the BP III phase.

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Citations

Feb 14, 2013·The European Physical Journal. E, Soft Matter·Ping LuAbhijit Sarkar
Jul 13, 2006·Letters in Applied Microbiology·S L HelfinstineC J Woolverton
Jun 3, 2011·Analytical Chemistry·Laura SutarlieKun-Lin Yang
May 9, 2009·Journal of the American Chemical Society·Lei WuYan-Yeung Luk
Feb 6, 2014·The Journal of Physical Chemistry. B·Bryce E KiddLouis A Madsen
Jun 3, 2014·Chemistry of Materials : a Publication of the American Chemical Society·Daniel S MillerNicholas L Abbott
Jun 23, 2012·The Journal of Physical Chemistry. a·Nitin P LoboK V Ramanathan
Aug 6, 2011·Journal of the American Chemical Society·William C PomerantzSamuel H Gellman
Aug 11, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jacob J KrichPeter J Collings
Oct 4, 2005·Physical Review Letters·L E Hough, N A Clark

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