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Type: 
Conference
Description: 
The possibility to generate a nondiffracting Bessel beam by means of a fast backward spatial harmonic supported by an annular metal-strip grating placed on a grounded dielectric slab is demonstrated. The focusing capabilities of the relevant leaky-wave aperture field are investigated in conjunction with the dispersive analysis of the considered structure. Full-wave simulations of a prototype are developed using a commercial code. The proposed design represents an attractive simple and low-cost solution potentially able to generate an arbitrary-order nondiffracting beam.
Publisher: 
IEEE
Publication date: 
19 Mar 2017
Authors: 

D Comite, W Fuscaldo, P Burghignoli, P Baccarelli, SK Podilchak, A Galli

Biblio References: 
Pages: 3863-3864
Origin: 
2017 11th European Conference on Antennas and Propagation (EUCAP)