TY - JOUR T1 - Complex k band diagrams of 3D metamaterial/photonic crystals JF - Optics Express Y1 - 2012 A1 - Chris Fietz A1 - Yaroslav Urzhumov A1 - Gennady Shvets VL - 19 UR - https://www.osapublishing.org/oe/abstract.cfm?uri=oe-19-20-19027 IS - 19027 ER -