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Characteristic functions for uniformly twisted birefringent media
Dalarna University, Borlänge, Sweden .
Swedish LCD Center AB, Borlänge, Sweden .
Linköping University, Department of Physics, Chemistry and Biology, Applied Optics . Linköping University, The Institute of Technology.ORCID iD: 0000-0001-9229-2028
Hong Kong University of Science and Technology, Kowloon, Hong Kong .
2007 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 102, no 6Article in journal (Refereed) Published
Abstract [en]

We present two functions for characterization of birefringent media with application to twisted nematic liquid crystal (LC) cells in the field off state. The first function is for reflective LC cells and the second is for transmissive LC cells. Based on the Stockes formalism, it is shown that these functions describe the ability of a layer of the twisted birefringent medium to change polarization of the output light and are invariant to the layer orientation. The characteristic functions are found in simple procedures and can be used for simultaneous determination of retardation, its wavelength dispersion, and twist angle, as well as for solving optimization problems. © 2007 American Institute of Physics.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2007. Vol. 102, no 6
National Category
Other Materials Engineering
URN: urn:nbn:se:liu:diva-39223DOI: 10.1063/1.2781300Local ID: 47447OAI: diva2:260072
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2013-10-14Bibliographically approved

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Valyukh, IrynaValyukh, SergiyArwin, Hans
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