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Wave-Shaping Surfaces

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Andrea Alù, Physics 6, 53 (2013) – Published May 6, 2013
Ultrathin screens made of metamaterials can bend or reshape a wave transmitted through them without generating any reflection.
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Metal-Coated Waveguide Stretches Wavelengths to Infinity

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Wenshan Cai, Physics 6, 1 (2013) – Published January 2, 2013
A zero refractive index at optical frequencies, as demonstrated in a new nanoscale waveguide, enables opportunities for better control and enhancement of light propagation in waveguides, as well as development of photonic nanocircuits.