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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 7, Iss. 2 — Jul. 17, 2000
  • pp: 77–87

Focusing of high numerical aperture cylindrical-vector beams

K. S. Youngworth and T. G Brown  »View Author Affiliations

Optics Express, Vol. 7, Issue 2, pp. 77-87 (2000)

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Cylindrical-vector beams are of increasing recent interest for their role in novel laser resonators and their applications to electron acceleration and scanning microscopy. In this paper, we calculate cylindrical-vector fields, near the focal region of an aplanatic lens, and briefly discuss some applications. We show that, in the particular case of a tightly focused, radially polarized beam, the polarization shows large inhomogeneities in the focal region, while the azimuthally polarized beam is purely transverse even at very high numerical apertures.

© Optical Society of America

OCIS Codes
(110.2990) Imaging systems : Image formation theory
(140.3300) Lasers and laser optics : Laser beam shaping
(260.5430) Physical optics : Polarization

ToC Category:
Research Papers

Original Manuscript: May 30, 2000
Published: July 17, 2000

Kathleen Youngworth and Thomas Brown, "Focusing of high numerical aperture cylindrical-vector beams," Opt. Express 7, 77-87 (2000)

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