Abstract
We present a cylindrical microwave cloak, which provides low total scattering cross width (TSCW) for cloaked objects larger than the wavelength. The cloak is composed of identical dielectric resonators, while different air fractions are employed to realize the spatial dispersion of the cloak medium effective permeability required by the transformation optics relations. The cloak performance is investigated by simulating the true multi-resonator cloak structure and by experiments. The results of simulations and measurements are in good agreement and confirm the existence of the cloaking band, in which the TSCW of the cloaked target decreases below that of the bare target.
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