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Proceedings Paper

Methods of formation and nonlinear conversion of Bessel optical vortices
Author(s): V. N. Belyi; Terence A. King; Nikolai S. Kazak; Nikolay A. Khilo; Evgeni G. Katranji; Anatol A. Ryzhevich
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Paper Abstract

Linear and nonlinear processes of generation and transformation of optical vortices in crystals were investigated. New universal methods for production of Bessel light beams with optical vortices of the first, second and higher order by means of uniaxial and biaxial crystals were proposed. Light beams with optical vortices of topological charge +/- 1 and +/- 2 are experimentally obtained using KTP and HIO3 (iodic acid) biaxial crystals. We studied type II second harmonic generation by Bessel beams with optical vortices in nonlinear crystals. Results of investigation of the processes of Bessel light vortex order doubling, transfer of vortex to the second harmonic radiation, and annihilation of optical vortices with the opposite signa are presented.

Paper Details

Date Published: 30 May 2001
PDF: 12 pages
Proc. SPIE 4403, Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications, (30 May 2001); doi: 10.1117/12.428272
Show Author Affiliations
V. N. Belyi, Institute of Physics (Belarus)
Terence A. King, Univ. of Manchester (United Kingdom)
Nikolai S. Kazak, Institute of Physics (Belarus)
Nikolay A. Khilo, Optical Problems in Information Technologies (Belarus)
Evgeni G. Katranji, Institute of Physics (Belarus)
Anatol A. Ryzhevich, Institute of Physics (Belarus)

Published in SPIE Proceedings Vol. 4403:
Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications
Marat S. Soskin; Mikhail V. Vasnetsov, Editor(s)

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