US 7,580,604 B2
Zero index material omnireflectors and waveguides
Giuseppe D'Aguanno, Huntsville, Ala. (US); Mark J. Bloemer, Athens, Ala. (US); Nadia Mattiucci, Huntsville, Ala. (US); and Michael Scalora, Huntsville, Ala. (US)
Assigned to The United States of America as represented by the Secretary of the Army, Washington, D.C. (US)
Filed on Apr. 03, 2006, as Appl. No. 11/278,521.
Prior Publication US 2007/0237478 A1, Oct. 11, 2007
Int. Cl. G02B 6/10 (2006.01); G02F 1/00 (2006.01); G02B 5/30 (2006.01)
U.S. Cl. 385—129  [359/321; 359/483] 20 Claims
OG exemplary drawing
 
1. A metamaterial having a real index of refraction in the range of approximately −0.01 to approximately 0.01 and comprising a three dimensional array of split ring resonators and trace crosses wherein the resonators and crosses are supported upon intersecting generally planar substrates.