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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3540–3546

The role of magnetic dipoles and non-zero-order Bragg waves in metamaterial perfect absorbers

Yong Zeng, Hou-Tong Chen, and Diego A. R. Dalvit  »View Author Affiliations


Optics Express, Vol. 21, Issue 3, pp. 3540-3546 (2013)
http://dx.doi.org/10.1364/OE.21.003540


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Abstract

We develop a simple treatment of a metamaterial perfect absorber (MPA) based on grating theory. We analytically prove that the condition of MPA requires the existence of two currents, which are nearly out of phase and have almost identical amplitude, akin to a magnetic dipole. Furthermore, we show that non-zero-order Bragg modes within the MPA may consume electromagnetic energy significantly.

© 2013 OSA

OCIS Codes
(160.3918) Materials : Metamaterials
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Metamaterials

History
Original Manuscript: September 7, 2012
Revised Manuscript: October 24, 2012
Manuscript Accepted: January 16, 2013
Published: February 5, 2013

Citation
Yong Zeng, Hou-Tong Chen, and Diego A. R. Dalvit, "The role of magnetic dipoles and non-zero-order Bragg waves in metamaterial perfect absorbers," Opt. Express 21, 3540-3546 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-3-3540


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