perfect metamaterial absorberPRL 100, 207402 (2008) PHYSICAL REVIEW LETTERS week ending 23 MAY 2008 Perfect Metamaterial Absorber N. I. Landy,1 S. Sajuyigbe,2 J. J. Mock,2 D. R. Smith,2 and W. J. Padilla1 1 Department of Physics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, Massachusetts 02467, USA 2 Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina 27708, USA (Received 6 November 2007; revised manuscript received 10 March 2008; published 21 May 2008) We present the design for an absorbing metamaterial (MM) with near unity absorbance A!. Our structure consists of two MM resonators that couple separately to electric and magnetic elds so as to absorb all incident radiation within a single unit cell layer. We fabricate, characterize, and analyze a MM absorber with a……