On liquid crystal diffractive optical elements utilizing inhomogeneous alignment
2012 (English)In: Optics Express, ISSN 1094-4087, Vol. 20, no 14, 15209-15221 p.Article in journal (Refereed) Published
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 CategoryEngineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-79671DOI: 10.1364/OE.20.015209ISI: 000306176100061OAI: oai:DiVA.org:liu-79671DiVA: diva2:544290