1 May 2011 Propagation of high-order circularly polarized Bessel beams and vortex generation in uniaxial
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Abstract
We investigate the generation and transformation of Bessel beams through linear and nonlinear optical crystals. We outline the generation of high-order vortices due to propagation of Bessel beams along the optical axis of uniaxial crystals and expand this to the nonlinear regime by outlining a new phase-matching process (full conical phase matching) in second harmonic generation of vector Bessel beams for various symmetries in uniaxial crystals. We demonstrate the principles experimentally in a uniaxial BBO crystal and find excellent agreement between the experimental and theoretical results. The results imply a coupling of the intrinsic and extrinsic optical angular momentum of the resulting fields, which may have importance in studies involving quantum entanglement of the angular momentum basis of light.
© (2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Vladimir Belyi, Vladimir Belyi, Nikolai A. Khilo, Nikolai A. Khilo, Nikolai S. Kazak, Nikolai S. Kazak, Anatolii A. Ryzhevich, Anatolii A. Ryzhevich, Andrew Forbes, Andrew Forbes, } "Propagation of high-order circularly polarized Bessel beams and vortex generation in uniaxial," Optical Engineering 50(5), 059001 (1 May 2011). https://doi.org/10.1117/1.3572109 . Submission:
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