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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 4 — Feb. 15, 2014
  • pp: 1101–1104

Generation of radially polarized Bessel–Gaussian beams from c-cut Nd:YVO4 laser

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


Optics Letters, Vol. 39, Issue 4, pp. 1101-1104 (2014)
http://dx.doi.org/10.1364/OL.39.001101


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Abstract

We experimentally demonstrate the generation of radially polarized Bessel–Gaussian beams from a c-cut Nd:YVO4 laser with a hemispherical cavity configuration by proper mode control. The output beam has an annular-shaped intensity distribution with radial polarization. When the beam is focused, the intensity pattern changes to a multi-ring, which is a typical characteristic of the lowest transverse mode of vector Bessel–Gaussian beam. Higher-order modes of vector Bessel–Gaussian beam are also observed from the same cavity by slightly changing the cavity alignment. The experimental results show a good agreement with the simulation results for both focal and far fields. The present method is a simple and direct way for generating vector Bessel–Gaussian beams.

© 2014 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3580) Lasers and laser optics : Lasers, solid-state
(260.1440) Physical optics : Birefringence
(260.5430) Physical optics : Polarization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 13, 2013
Revised Manuscript: January 14, 2014
Manuscript Accepted: January 16, 2014
Published: February 14, 2014

Citation
Sunil Vyas, Yuichi Kozawa, and Shunichi Sato, "Generation of radially polarized Bessel–Gaussian beams from c-cut Nd:YVO4 laser," Opt. Lett. 39, 1101-1104 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-4-1101

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