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Backward waves moving forward

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The positive aspect of negative refraction is to open new possibilities for squeezing light into tight spaces. Now, a metallic nanostructure pushes all-angle negative refraction into the visible spectrum.

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Figure 1: Positive versus negative refraction.
Figure 2: Plasmonic waveguide structure.

© 2007 AAAS

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Authors and Affiliations

  1. Martin Wegener, Gunnar Dolling and Stefan Linden are at the DFG-Center for Functional Nanostructures (CFN), D-76128 Karlsruhe, Germany.,

    Martin Wegener, Gunnar Dolling & Stefan Linden

Authors
  1. Martin Wegener
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  2. Gunnar Dolling
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  3. Stefan Linden
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Correspondence to Martin Wegener.

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Wegener, M., Dolling, G. & Linden, S. Backward waves moving forward. Nature Mater 6, 475–476 (2007). https://doi.org/10.1038/nmat1926

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