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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 5 — May. 1, 2013
  • pp: 1161–1166

Omnidirectional high absorption based on an asymmetric photonic crystal composed of negative-index material and positive-index material

Nannan Wu, Huiping Tian, Yanhong Zhang, and Yuefeng Ji  »View Author Affiliations


JOSA B, Vol. 30, Issue 5, pp. 1161-1166 (2013)
http://dx.doi.org/10.1364/JOSAB.30.001161


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Abstract

The absorption enhancement of photonic crystals composed of negative-index material and positive-index material is investigated in this article. It is found that whole absorption of an electromagnetic wave with weak dependence on the incident angle can be achieved in an asymmetric structure by adjusting materials and parameters. Furthermore, with the incident angle increasing to 80°, we demonstrate that the absorption for both polarizations remains over 80%. Finally, the influence of the damping factor of the Drude model is studied, and a conclusion is drawn that says the absorption is invariant with the damping factor when the ratio between the damping factor and the electronic or magnetic plasma frequency is smaller than 104.

© 2013 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(300.1030) Spectroscopy : Absorption
(230.5298) Optical devices : Photonic crystals
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Photonic Crystals

History
Original Manuscript: November 27, 2012
Revised Manuscript: March 8, 2013
Manuscript Accepted: March 8, 2013
Published: April 10, 2013

Citation
Nannan Wu, Huiping Tian, Yanhong Zhang, and Yuefeng Ji, "Omnidirectional high absorption based on an asymmetric photonic crystal composed of negative-index material and positive-index material," J. Opt. Soc. Am. B 30, 1161-1166 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-5-1161

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