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On liquid crystal diffractive optical elements utilizing inhomogeneous alignment
Linköping University, Department of Physics, Chemistry and Biology, Applied Optics . Linköping University, The Institute of Technology.
Hong Kong University of Science and Technology, Peoples R China .
Hong Kong University of Science and Technology, Peoples R China .
Linköping University, Department of Physics, Chemistry and Biology, Applied Optics . Linköping University, The Institute of Technology.ORCID iD: 0000-0001-9229-2028
2012 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 20, no 14, 15209-15221 p.Article in journal (Refereed) Published
Abstract [en]

Formation of a desired liquid crystal (LC) director distribution by the use of inhomogeneous anchoring and pre-tilt angle for electrically controlled diffractive optical elements (DOE) is studied. Such LC DOE can have high periodicity and diffraction efficiency. At the same time they are free of constructive regularities, e. g. a periodic arrangement of the electrodes or thickness deviations, which have undesired impact on diffractive characteristics of LC DOE of other types. We focus on evaluation of potential functional abilities of LC DOE with inhomogeneous alignment. The reasons causing restriction of the LC DOE diffraction efficiency and periodicity are considered. Approaches for improvement of characteristics of the LC DOE are discussed.

Place, publisher, year, edition, pages
Optical Society of America , 2012. Vol. 20, no 14, 15209-15221 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-79671DOI: 10.1364/OE.20.015209ISI: 000306176100061OAI: oai:DiVA.org:liu-79671DiVA: diva2:544290
Available from: 2012-08-14 Created: 2012-08-13 Last updated: 2017-12-07

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Valyukh, SergiyArwin, Hans

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