We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMetamaterials and negative refractive index.AuthorsSmith DR; Pendry JB; Wiltshire MCPublicationScience (New York, N.Y.), 2004, Vol 305, Issue 5685, p788ISSN1095-9203Publication typearticleDOI10.1126/science.1096796