Super-Gaussian conical refraction beam

A. Turpin*, Yu.V. Loiko, T.K. Kalkandkiev, H. Tomizawa, J. Mompart

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)4349-4352
Number of pages4
JournalOptics Letters
Volume39
Issue number15
DOIs
Publication statusPublished - 18 Jul 2014

Bibliographical note

© 2014 Optical Society of America

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    Turpin, A., Loiko, Y. V., Kalkandkiev, T. K., Tomizawa, H., & Mompart, J. (2014). Super-Gaussian conical refraction beam. Optics Letters, 39(15), 4349-4352. https://doi.org/10.1364/OL.39.004349