Production and transformation of ring light beams by means of biaxial crystals

Anatol A. Ryzhevich; Evgeni G. Katranji; Aleksander G. Mashchenko

doi:10.1117/12.418852

15 March 2001 Production and transformation of ring light beams by means of biaxial crystals

Anatol A. Ryzhevich, Evgeni G. Katranji, Aleksander G. Mashchenko

Proceedings Volume 4358, Optics of Crystals; (2001) https://doi.org/10.1117/12.418852
Event: Optics of Crystals, 2000, Mozyr, Belarus

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.

Citation Download Citation

Anatol A. Ryzhevich, Evgeni G. Katranji, and Aleksander G. Mashchenko "Production and transformation of ring light beams by means of biaxial crystals", Proc. SPIE 4358, Optics of Crystals, (15 March 2001); https://doi.org/10.1117/12.418852

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