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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: 1368–1372

Broadband polarization-insensitive absorbers in 0.3–2.5 μm using helical metamaterials

ZeQin Lu, Ming Zhao, ZhenYu Yang, Lin Wu, Peng Zhang, Yu Zheng, and JiAn Duan  »View Author Affiliations


JOSA B, Vol. 30, Issue 5, pp. 1368-1372 (2013)
http://dx.doi.org/10.1364/JOSAB.30.001368


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Abstract

We present two kinds of broadband and polarization-insensitive metamaterial (MM) absorbers operating in about 0.3–2.5 μm, including a racemic type and a reflected type. Through finite-difference time-domain simulation, we find that both designs are broadband in function and insensitive to polarization. In comparison, we find that the reflected type absorber possesses broader bandwidth (0.36–2.5 μm) and exhibits higher average absorbance (88.9%), while the racemic type is superior in its polarization-insensitivity characteristic. Differing from designs of most planar MM absorbers based on perfect impedance matching, our designs are based on the principle of mutual radiation.

© 2013 Optical Society of America

OCIS Codes
(300.1030) Spectroscopy : Absorption
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: January 31, 2013
Revised Manuscript: March 10, 2013
Manuscript Accepted: April 9, 2013
Published: April 29, 2013

Citation
ZeQin Lu, Ming Zhao, ZhenYu Yang, Lin Wu, Peng Zhang, Yu Zheng, and JiAn Duan, "Broadband polarization-insensitive absorbers in 0.3–2.5 μm using helical metamaterials," J. Opt. Soc. Am. B 30, 1368-1372 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-5-1368

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