Experimental verification of broadband cloaking using a volumetric cloak composed of periodically stacked cylindrical transmission-line networks

TL;DR

This paper experimentally verifies broadband cloaking using a volumetric structure made of stacked transmission-line networks, demonstrating effective hiding of metallic cylinders in a waveguide to enable wave propagation.

Contribution

It provides experimental validation of broadband cloaking with a volumetric cloak composed of stacked transmission-line networks, advancing practical cloaking techniques.

Findings

Successful cloaking of metallic cylinders in a waveguide

Effective broadband performance demonstrated

Validation through measurements in a controlled setup

Abstract

Cloaking using a volumetric structure composed of stacked two-dimensional transmission-line networks is verified with measurements. The measurements are done in a waveguide, in which an array of metallic cylinders is inserted causing a short-circuit in the waveguide. The metal cylinders are cloaked using a previously designed and simulated cloak that hides the cylinders and thus enables wave propagation inside the waveguide.