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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2326–2328

Dark-spot formation by vector beams

Yuichi Kozawa and Shunichi Sato  »View Author Affiliations

Optics Letters, Vol. 33, Issue 20, pp. 2326-2328 (2008)

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Dark-spot formation is demonstrated by calculating electric-field distribution near the focus produced by focusing higher-order transverse-mode vector beams with radial and azimuthal polarizations in addition to Laguerre–Gaussian beams with linear and circular polarizations. The size of the dark spot in the radial direction varies from one beam to another, but the size in the axial direction is almost the same. The radially polarized TM 02 -mode beam is predicted to form a dark spot solely by an axial electric field.

© 2008 Optical Society of America

OCIS Codes
(260.1960) Physical optics : Diffraction theory
(260.5430) Physical optics : Polarization
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Physical Optics

Original Manuscript: July 7, 2008
Revised Manuscript: August 25, 2008
Manuscript Accepted: August 26, 2008
Published: October 10, 2008

Yuichi Kozawa and Shunichi Sato, "Dark-spot formation by vector beams," Opt. Lett. 33, 2326-2328 (2008)

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