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Proceedings Paper

Optical anisotropy of pyroelectric liquid crystalline polymer films: numerical modeling and m-line characterization
Author(s): Mikael Lindgren; Jonas Ortegren; Philippe Busson; Anders Eriksson; David S. Hermann; Anders Hult; Ulf W. Gedde; Per Rudquist; Sven T. Lagerwall; Bengt Stebler
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Paper Abstract

M-line measurements have been performed on thin films of pyroelectric liquid crystalline polymers (PLCP), in order to determine the magnitude and anisotropy of the refractive index. The films, polymerized under various conditions, are based on materials exhibiting a chiral smectic C phase. The results of the measurements were analyzed and compared with a new numerical method to model the optical properties of anisotropic multilayered thin films. In the model, which is an extension of the analytical approach of Berreman, the eigenmodes and boundary conditions of refracted light waves are handled and solved by numerical matrix manipulations. Model calculations of total reflection measurements for various multi-layered systems were used to investigate the effect of ITO and polyimide aligning layers to the apparent effective index of m-lines.

Paper Details

Date Published: 14 October 1998
PDF: 12 pages
Proc. SPIE 3475, Liquid Crystals II, (14 October 1998); doi: 10.1117/12.326893
Show Author Affiliations
Mikael Lindgren, Linkoeping Univ. and Defence Research Establishment (Sweden)
Jonas Ortegren, Royal Institute of Technology (Sweden)
Philippe Busson, Royal Institute of Technology (Sweden)
Anders Eriksson, Linkoeping Univ. (Sweden)
David S. Hermann, Chalmers Univ. of Technology (Italy)
Anders Hult, Royal Institute of Technology (Sweden)
Ulf W. Gedde, Royal Institute of Technology (Sweden)
Per Rudquist, Chalmers Univ. of Technology (Sweden)
Sven T. Lagerwall, Chalmers Univ. of Technology (Sweden)
Bengt Stebler, Chalmers Univ. of Technology (Sweden)

Published in SPIE Proceedings Vol. 3475:
Liquid Crystals II
Iam-Choon Khoo, Editor(s)

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