Belyi, VNKhilo, NAForbes, ARyzhevich, AA2009-12-072009-12-072009-08Belyi, VN, Khilo, NA, Forbes, A and Ryzhevich, AA. 2009. Generation and propagation of high-order Bessel vortices in linear and non-linear crystals. Laser Beam Shaping X Conference, San Diego, USA, 3-4 August 2009, pp 897808194772000277-786Xhttp://hdl.handle.net/10204/3809Copyright 2009. Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibitedLinear 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 crystalsenBessel beamOptical vortexSecond harmonic generationPhase matchingAxiconConical mirrorConference PresentationBelyi, V., Khilo, N., Forbes, A., & Ryzhevich, A. (2009). Generation and propagation of high-order Bessel vortices in linear and non-linear crystals. Society of Photo-optical Instrumentation Engineers (SPIE). http://hdl.handle.net/10204/3809Belyi, VN, NA Khilo, A Forbes, and AA Ryzhevich. "Generation and propagation of high-order Bessel vortices in linear and non-linear crystals." (2009): http://hdl.handle.net/10204/3809Belyi V, Khilo N, Forbes A, Ryzhevich A, Generation and propagation of high-order Bessel vortices in linear and non-linear crystals; Society of Photo-optical Instrumentation Engineers (SPIE); 2009. http://hdl.handle.net/10204/3809 .TY - Conference Presentation AU - Belyi, VN AU - Khilo, NA AU - Forbes, A AU - Ryzhevich, AA AB - 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 DA - 2009-08 DB - ResearchSpace DP - CSIR KW - Bessel beam KW - Optical vortex KW - Second harmonic generation KW - Phase matching KW - Axicon KW - Conical mirror LK - https://researchspace.csir.co.za PY - 2009 SM - 9780819477200 SM - 0277-786X T1 - Generation and propagation of high-order Bessel vortices in linear and non-linear crystals TI - Generation and propagation of high-order Bessel vortices in linear and non-linear crystals UR - http://hdl.handle.net/10204/3809 ER -