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Cylindrically polarized Bessel-Gauss beams

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Ornigotti,  Marco
Optics Theory Group, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Aiello,  Andrea
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Madhi, D., Ornigotti, M., & Aiello, A. (2015). Cylindrically polarized Bessel-Gauss beams. JOURNAL OF OPTICS, 17(2): 025603. doi:10.1088/2040-8978/17/2/025603.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6420-A
Abstract
We present a study of radially and azimuthally polarized Bessel-Gauss (BG) beams in both the paraxial and nonparaxial regime. We discuss the validity of the paraxial approximation and the form of the nonparaxial corrections for BG beams. We show that independently on the ratio between the Bessel aperture cone angle theta(0) and the Gaussian beam divergence theta(0), the nonparaxial corrections are alway very small and therefore negligible. The explicit expressions for the nonparaxial vector electric field components are also reported.