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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 8 — Apr. 15, 2007
  • pp: 924–926

Efficient conversion of a radially polarized beam to a nearly Gaussian beam

G. Machavariani, Y. Lumer, I. Moshe, S. Jackel, and N. Davidson  »View Author Affiliations


Optics Letters, Vol. 32, Issue 8, pp. 924-926 (2007)
http://dx.doi.org/10.1364/OL.32.000924


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Abstract

We demonstrate an efficient method for transformation of a radially polarized Laguerre–Gaussian beam to a nearly Gaussian beam with much higher beam quality. The method is based on separation of the radially polarized mode into two degenerate modes and coherent addition of the modes after phase flattening. We transformed a high-power Nd:YAG radially polarized ( 0 , 1 ) * Laguerre–Gaussian beam with M 2 = 2.52 and power of 30 W into a nearly Gaussian beam with M 2 = 1.3 . As a result, the brightness increased by a factor of 2.5 .

© 2007 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(230.1150) Optical devices : All-optical devices

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 8, 2006
Revised Manuscript: January 16, 2007
Manuscript Accepted: January 17, 2007
Published: March 19, 2007

Citation
G. Machavariani, Y. Lumer, I. Moshe, S. Jackel, and N. Davidson, "Efficient conversion of a radially polarized beam to a nearly Gaussian beam," Opt. Lett. 32, 924-926 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-8-924


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