Superscatterer: Enhancement of scattering with complementary media

Details Superscatterer: Enhancement of scattering with complementary media Superscatterer: Enhancement of scattering with complementary media

2008-07-31

arxiv.org/abs/0807.5038v1

Optics Express Vol.16,Iss.22,pp.18545-18550(2008)

Physics

Optics

9 pages, 4 figures

Scientific paper

10.1364/OE.16.018545

Based on the concept of complementary media, we propose a novel design which can enhance the electromagnetic wave scattering cross section of an object so that it looks like a scatterer bigger than the scale of the device. Such a ``superscatterer'' is realized by coating a negative refractive material shell on a perfect electrical conductor cylinder. The scattering field is analytically obtained by Mie scattering theory, and confirmed by full-wave simulations numerically. Such a device can be regarded as a cylindrical concave mirror for all angles.

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