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Polar POLICRYPS diffractive structures generate cylindrical vector beams
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DOI：10.1063/1.4935605.png)
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摘要
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Local shaping of the polarization state of a light beam is appealing for a number of applications. This can be achieved by employing devices containing birefringent materials. In this article, we present one such enables converting a uniformly circularly polarized beam into a cylindrical vector beam (CVB). This device has been fabricated by exploiting the POLICRYPS (POlymer-LIquid CRYstals-Polymer-Slices) photocuring technique. It is a liquid-crystal-based optical diffraction grating featuring polar symmetry of the director alignment. We have characterized the resulting CVB profile and polarization for the cases of left and right circularly polarized incoming beams. (C) 2015 AIP Publishing LLC.
Keyword:
RADIAL POLARIZATION
LASER-BEAMS
LIGHT
GRATINGS
SYMMETRY
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期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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