Metamaterial frequency-selective superabsorber.

@article{Ng2009MetamaterialFS,
  title={Metamaterial frequency-selective superabsorber.},
  author={Jack Chakmeng Ng and Huanyang Chen and Che Ting Chan},
  journal={Optics letters},
  year={2009},
  volume={34 5},
  pages={644-6}
}
Using transformation optics a frequency-selective superabsorber can be constructed that consists of an absorbing core material coated with a shell of isotropic double negative metamaterial. For a fixed volume its absorption cross section can be made arbitrarily large at one frequency. The double-negative shell serves to amplify the evanescent tail of the high-order cylindrical waves, which induces strong scattering and absorption. Our conclusion is supported by both analytical Mie theory and… CONTINUE READING
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