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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4349–4352

Super-Gaussian conical refraction beam

A. Turpin, Yu. V. Loiko, T. K. Kalkandkiev, H. Tomizawa, and J. Mompart  »View Author Affiliations

Optics Letters, Vol. 39, Issue 15, pp. 4349-4352 (2014)

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We demonstrate the transformation of Gaussian input beams into super-Gaussian beams with a quasi flat-top transverse profile by means of the conical refraction phenomenon by adjusting the ratio between the ring radius and the waist radius of the input beam to 0.445. We discuss the beam propagation of the super-Gaussian beam and show that it has a confocal parameter three times larger than the one that would be obtained from a Gaussian beam. The experiments performed with a KGd(WO4)2 biaxial crystal are in good agreement with the theoretical predictions.

© 2014 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(260.1180) Physical optics : Crystal optics
(260.1440) Physical optics : Birefringence
(350.3390) Other areas of optics : Laser materials processing

ToC Category:
Physical Optics

Original Manuscript: April 30, 2014
Revised Manuscript: June 19, 2014
Manuscript Accepted: June 19, 2014
Published: July 18, 2014

A. Turpin, Yu. V. Loiko, T. K. Kalkandkiev, H. Tomizawa, and J. Mompart, "Super-Gaussian conical refraction beam," Opt. Lett. 39, 4349-4352 (2014)

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