Liquid crystal clad near-infrared metamaterials with tunable negative-zero-positive refractive indices Werner, Douglas H. ; Kwon, Do-Hoon ; Khoo, Iam-Choon ; Kildishev, Alexander V. ; Shalaev, Vladimir M. Abstract Publication: Optics Express Pub Date: March 2007 DOI: 10.1364/OE.15.003342 Bibcode: 2007OExpr..15.3342W