Generation and propagation of high-order Bessel vortices in linear and non-linear crystals

Vladimir N. Belyi; Nikolai A. Khilo; Andrew Forbes; Anatol A. Ryzhevich

doi:10.1117/12.824851

24 August 2009 Generation and propagation of high-order Bessel vortices in linear and non-linear crystals

Vladimir N. Belyi, Nikolai A. Khilo, Andrew Forbes, Anatol A. Ryzhevich

Proceedings Volume 7430, Laser Beam Shaping X; 74300F (2009) https://doi.org/10.1117/12.824851
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

Linear and nonlinear processes of transferring optical singularities from anisotropic crystals onto the wavefront of Bessel light beams (BLBs) are investigated. The generation of high-order vortices at the propagation of BLBs along the optical axes of crystals was studied. Particularly, a nonlinear frequency doubling of Bessel vortices in the conditions of new type synchronism (full conical phase-matching) is considered. This scheme of three-wave interactions of BLBs based on that the spatial frequency cones of BLBs coincide with phase-matching cones of uniaxial crystals. New type of frequency doubling of Bessel vortices has been experimentally realized in uniaxial crystals.

Citation Download Citation

Vladimir N. Belyi, Nikolai A. Khilo, Andrew Forbes, and Anatol A. Ryzhevich "Generation and propagation of high-order Bessel vortices in linear and non-linear crystals", Proc. SPIE 7430, Laser Beam Shaping X, 74300F (24 August 2009); https://doi.org/10.1117/12.824851

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