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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 30 — Oct. 20, 2012
  • pp: 7295–7302

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

Seong-Woo Cho, Hwi Kim, Joonku Hahn, and Byoungho Lee  »View Author Affiliations

Applied Optics, Vol. 51, Issue 30, pp. 7295-7302 (2012)

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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.

© 2012 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(140.3300) Lasers and laser optics : Laser beam shaping
(070.6120) Fourier optics and signal processing : Spatial light modulators

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: June 22, 2012
Revised Manuscript: August 31, 2012
Manuscript Accepted: September 3, 2012
Published: October 16, 2012

Seong-Woo Cho, Hwi Kim, Joonku Hahn, and Byoungho Lee, "Generation of multiple vortex-cones by direct-phase modulation of annular aperture array," Appl. Opt. 51, 7295-7302 (2012)

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