We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThree-dimensional photonic metamaterials at optical frequencies.AuthorsLiu N; Guo H; Fu L; Kaiser S; Schweizer H; Giessen HPublicationNature materials, 2008, Vol 7, Issue 1, p31ISSN1476-1122Publication typearticleDOI10.1038/nmat2072