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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 28, Iss. 5 — May. 1, 2011
  • pp: 837–843

Self-healing of tightly focused scalar and vector Bessel–Gauss beams at the focal plane

Sunil Vyas, Yuichi Kozawa, and Shunichi Sato  »View Author Affiliations


JOSA A, Vol. 28, Issue 5, pp. 837-843 (2011)
http://dx.doi.org/10.1364/JOSAA.28.000837


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Abstract

The property of self-healing at the focal plane for both scalar and vector Bessel–Gauss (BG) beams is investigated in the tight focusing condition. For the BG beam, which is partially obstructed at the pupil plane, the spatial intensity distribution at the focal plane is well recovered. Furthermore, recovery of not only intensity but also polarization distribution is observed for an obstructed vector BG beam. This self-healing effect for both the intensity and polarization components is recognized even when the half of the beam is obstructed by a semicircular obstacle. The effect of the size of the obstacle on recovery of polarization and intensity distribution is studied. The role of the beam size at the pupil plane is also discussed.

© 2011 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(260.1960) Physical optics : Diffraction theory
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

History
Original Manuscript: December 22, 2010
Revised Manuscript: February 25, 2011
Manuscript Accepted: February 26, 2011
Published: April 21, 2011

Citation
Sunil Vyas, Yuichi Kozawa, and Shunichi Sato, "Self-healing of tightly focused scalar and vector Bessel–Gauss beams at the focal plane," J. Opt. Soc. Am. A 28, 837-843 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-5-837

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