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Generation of multiple vortex-cones by direct-phase modulation of annular aperture array

Authors
Cho, Seong-WooKim, HwiHahn, JoonkuLee, Byoungho
Issue Date
20-10월-2012
Publisher
OPTICAL SOC AMER
Citation
APPLIED OPTICS, v.51, no.30, pp.7295 - 7302
Indexed
SCIE
SCOPUS
Journal Title
APPLIED OPTICS
Volume
51
Number
30
Start Page
7295
End Page
7302
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/107204
DOI
10.1364/AO.51.007295
ISSN
1559-128X
Abstract
The generation of multiple vortex cones using an annular aperture array and a spatial light modulator (SLM) is studied. The direct downscale imaging of an SLM on the surface of an annular aperture enables the direct-phase modulation of the annular aperture. It is experimentally demonstrated that the direct-phase modulation of an annular aperture array can control both the topological charge and the horizontal positions of multiple vortex cones simultaneously. (C) 2012 Optical Society of America
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