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Analysis and design of CP Bessel beam launchers

Abstract : 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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https://hal.sorbonne-universite.fr/hal-01342307
Contributor : Pascal Gomez Connect in order to contact the contributor
Submitted on : Tuesday, July 5, 2016 - 4:40:46 PM
Last modification on : Wednesday, April 27, 2022 - 4:18:21 AM

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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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