Journal
Scientific and technical journal «Priborostroenie»
UDK53.043; 53.082; 544.252.24
Issue:4 (66)
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METHOD FOR OPTICAL MOLECULAR GENERATION OF LOCALIZED CHIRAL STRUCTURES IN PHOTOACTIVE LIQUID CRYSTAL FILMS
Annotation
Abstract. A method for creating an optical scheme and the principle of using photoactive samples of chiral nematic liquid crystals for optical molecular generation of localized chiral structures are considered. It is shown that the existence of two different static localized chiral structures with sizes of about 25 and 10 µm is possible, depending on the power of the UV laser beam. The processes of reconfiguration of localized chiral liquid crystal structures into each other and into a completely frustrated state of a chiral nematic liquid crystal film are described. These localized structures can be used as miniaturized tunable optical elements for focusing and structuring transmitted light beams.
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