Resonance cone formation, reflection, refraction, and focusing in a planar anisotropic metamaterial

@article{Balmain2002ResonanceCF,
  title={Resonance cone formation, reflection, refraction, and focusing in a planar anisotropic metamaterial},
  author={K. G. Balmain and A.A.E. Luttgen and P. Kremer},
  journal={IEEE Antennas and Wireless Propagation Letters},
  year={2002},
  volume={1},
  pages={146-149}
}
The material studied is a planar wire-grid network loaded with orthogonal capacitors and inductors. Over a ground plane and excited by a localized single-frequency source, this metamaterial exhibits conical high-field regions called "resonance cones." The cones exhibit specular reflection from boundaries and, with two such materials interfaced, the cones exhibit negative refraction as well as subwavelength focusing into a spot smaller than 1/20th of a free-space wavelength. Moment-method… CONTINUE READING
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