Optical anisotropy of pyroelectric liquid crystalline polymer films: numerical modeling and m-line characterization

Mikael Lindgren; Jonas Ortegren; Philippe Busson; Anders Eriksson; David S. Hermann; Anders Hult; Ulf W. Gedde; Per Rudquist; Sven T. Lagerwall; Bengt Stebler

doi:10.1117/12.326893

14 October 1998 Optical anisotropy of pyroelectric liquid crystalline polymer films: numerical modeling and m-line characterization

Mikael Lindgren, Jonas Ortegren, Philippe Busson, Anders Eriksson, David S. Hermann, Anders Hult, Ulf W. Gedde, Per Rudquist, Sven T. Lagerwall, Bengt Stebler

Author Affiliations +

Proceedings Volume 3475, Liquid Crystals II; (1998) https://doi.org/10.1117/12.326893
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

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Mikael Lindgren, Jonas Ortegren, Philippe Busson, Anders Eriksson, David S. Hermann, Anders Hult, Ulf W. Gedde, Per Rudquist, Sven T. Lagerwall, and Bengt Stebler "Optical anisotropy of pyroelectric liquid crystalline polymer films: numerical modeling and m-line characterization", Proc. SPIE 3475, Liquid Crystals II, (14 October 1998); https://doi.org/10.1117/12.326893

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