title: Physics. Negative refractive index at optical wavelengths.
authors.affiliation: Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA. soukoulis@ameslab.gov
authors.forename: Costas M
authors.initials: CM
authors.lastname: Soukoulis
authors.forename: Stefan
authors.initials: S
authors.lastname: Linden
authors.forename: Martin
authors.initials: M
authors.lastname: Wegener