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Conference Papers Year : 2016

Analysis and design of CP Bessel beam launchers


In this paper the focusing capability of a radiating aperture implementing an inward traveling wave current distribution directed along a fixed unit vector is investigated. In particular, it is shown that such a current distribution generates a field profile with its transverse component (with respect to the normal of the radiating aperture) taking the form of a zero-th order Bessel profile. As a practical implementation of the theoretical analysis, a circular-polarized (CP) Bessel beam launcher, made by a radial parallel-plate waveguide loaded with several slot pairs and arranged on a spiral pattern, is designed and optimized. The designed launcher performance agrees with the theoretical model and exhibits an excellent polarization purity.
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hal-01342307 , version 1 (05-07-2016)



Santi Concetto Pavone, Mauro Ettorre, Massimiliano Casaletti, Matteo Albani. Analysis and design of CP Bessel beam launchers. Conference EuCAP 2016, Apr 2016, Davos, Switzerland. pp.1 - 4, ⟨10.1109/EuCAP.2016.7481904⟩. ⟨hal-01342307⟩
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