title: Waveguide Characterization of S-Band Microwave Mantle Cloaks for Dielectric and Conducting Objects.
abstract: We present the experimental characterization of mantle cloaks designed so as to minimize the electromagnetic scattering of moderately-sized dielectric and conducting cylinders at S-band microwave frequencies. Our experimental setup is based on a parallel-plate waveguide system, which emulates a two-dimensional plane-wave scattering scenario, and allows the collection of near-field maps as well as more quantitative assessments in terms of global scattering observables (e.g., total scattering width). Our results, in fairly good agreement with full-wave numerical simulations, provide a further illustration of the mantle- cloak mechanism, including its frequency-sensitivity, and confirm its effectiveness both in restoring the near-field impinging wavefront around the scatterer, and in significantly reducing the overall scattering.
authors.affiliation: CNR-SPIN and Department of Physics, University of Naples "Federico II", I-80125 Naples, Italy.
authors.forename: Antonino
authors.initials: A
authors.lastname: Vitiello
authors.affiliation: Waves Group, Department of Engineering, University of Sannio, I-82100 Benevento, Italy.
authors.forename: Massimo
authors.initials: M
authors.lastname: Moccia
authors.affiliation: CNR-SPIN and Department of Physics, University of Naples "Federico II", I-80125 Naples, Italy.
authors.forename: Gian Paolo
authors.initials: GP
authors.lastname: Papari
authors.affiliation: MBDA Italia s.p.a., I-80070 Bacoli (NA), Italy.
authors.forename: Giuliana
authors.initials: G
authors.lastname: D'Alterio
authors.affiliation: MBDA Italia s.p.a., I-80070 Bacoli (NA), Italy.
authors.forename: Roberto
authors.initials: R
authors.lastname: Vitiello
authors.affiliation: Waves Group, Department of Engineering, University of Sannio, I-82100 Benevento, Italy.
authors.forename: Vincenzo
authors.initials: V
authors.lastname: Galdi
authors.affiliation: CNR-SPIN and Department of Physics, University of Naples "Federico II", I-80125 Naples, Italy.
authors.forename: Antonello
authors.initials: A
authors.lastname: Andreone