Broadband Exterior Cloaking
Fernando Guevara Vasquez, Graeme W. Milton, Daniel Onofrei

TL;DR
This paper demonstrates a broadband exterior cloaking method using multiple active devices that create a quiet zone, effectively rendering objects within it invisible over a wide frequency range, validated through simulations.
Contribution
The paper introduces a broadband exterior cloaking technique employing active devices to achieve invisibility over a broad frequency spectrum.
Findings
Effective cloaking over a broad frequency range.
Creation of a quiet zone with minimal wave amplitude.
Successful simulation validation of the cloaking method.
Abstract
It is shown how a recently proposed method of cloaking is effective over a broad range of frequencies. The method is based on three or more active devices. The devices, while not radiating significantly, create a ``quiet zone'' between the devices where the wave amplitude is small. Objects placed within this region are virtually invisible. The cloaking is demonstrated by simulations with a broadband incident pulse.
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