Negative refraction and left-handed electromagnetism in microwave photonic crystals.

  title={Negative refraction and left-handed electromagnetism in microwave photonic crystals.},
  author={P. V. Parimi and Weiquan Lu and Plarenta Vodo and Jody Sokoloff and John Derov and Srivatsan Sridhar},
  journal={Physical review letters},
  volume={92 12},
We demonstrate the negative refraction of microwaves in a metallic photonic crystal prism. The spectral response of the photonic crystal prism, which manifests both positive and negative refraction, is in complete agreement with band-structure calculations and numerical simulations. The validity of Snell's law with a negative refractive index is confirmed experimentally and theoretically. The negative refraction observed corresponds to left-handed electromagnetism that arises due to the… CONTINUE READING
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