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Proceedings Paper

Production and transformation of ring light beams by means of biaxial crystals
Author(s): Anatol A. Ryzhevich; Evgeni G. Katranji; Aleksander G. Mashchenko
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Paper Abstract

Universal method, permitting to form multi-ring light beams with a required quantity of rings from the circularly polarized Gaussian light beam, is proposed. This method permits to increase or decrease by 1 the order of an input beam wavefront screw dislocation, if beam has it. The method was realized by means of the optical scheme containing a biaxial crystal. Using biaxial KTP and (alpha) -HIO3 (iodic acid) crystals Bessel and multi-ring light beams with the first and the second order dislocations are obtained experimentally. The second harmonic generation by mono-, two- and four-ring light beams possessing WFSD1 in a nonlinear KTP crystal is studied experimentally.

Paper Details

Date Published: 15 March 2001
PDF: 8 pages
Proc. SPIE 4358, Optics of Crystals, (15 March 2001); doi: 10.1117/12.418852
Show Author Affiliations
Anatol A. Ryzhevich, B.I. Stepanov Institute of Physics (Belarus)
Evgeni G. Katranji, B.I. Stepanov Institute of Physics (Belarus)
Aleksander G. Mashchenko, B.I. Stepanov Institute of Physics (Belarus)


Published in SPIE Proceedings Vol. 4358:
Optics of Crystals
Vasiliy V. Shepelevich; N. N. Egorov, Editor(s)

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