News and Views

Nature Materials 6, 475 - 476 (2007)
doi:10.1038/nmat1926

Plasmonics: Backward waves moving forward

Martin Wegener1, Gunnar Dolling1 & Stefan Linden1

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

Correspondence to: Martin Wegener1 e-mail: martin.wegener@physik.uni-karlsruhe.de

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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