Journal
APPLIED PHYSICS LETTERS
Volume 91, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2773763
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- Engineering and Physical Sciences Research Council [EP/C511786/1] Funding Source: researchfish
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The authors report on the observation of enhanced microwave transmission through quasiperiodic hole arrays in metal films. The fraction of transmitted light reaches 50% in a self-standing metal film and approaches 90% when the film is sandwiched between thin dielectric slabs, while the holes occupy only 10% of the sample area. The maximum transmission exhibits a Breit-Wigner resonance behavior, accompanied by zero phase change and rendering the film almost invisible over a wide frequency range. The extraordinary transmission phenomenon is interpreted in terms of resonances in the self-consistent interaction between holes, which are represented by effective electric and magnetic dipoles. (c) 2007 American Institute of Physics.
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