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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 5 — Feb. 28, 2011
  • pp: 4255–4260

How to improve the signal-to-noise ratio for circular polarizers consisting of helical metamaterials?

Zhenyu Yang, Ming Zhao, and Peixiang Lu  »View Author Affiliations


Optics Express, Vol. 19, Issue 5, pp. 4255-4260 (2011)
http://dx.doi.org/10.1364/OE.19.004255


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Abstract

In this paper, we proposed new structured metamaterials with multi-helical nanowires to construct circular polarizers with higher S/N ratios. Compared with the single-helical ones reported by J. K. Gansel et al. [Science 325, 1513 (2009), Opt. Express 18, 1059 (2010)], which has a lower S/N ratio (~10 dB) due to the high intensity conversion, the circular polarizers with the multi-helical structures have average two orders higher S/N ratios (~35 dB). Simultaneously, other optical performances, such as operation bands, average extinction ratios, are also improved.

© 2011 OSA

OCIS Codes
(260.5430) Physical optics : Polarization
(160.1585) Materials : Chiral media
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: January 4, 2011
Revised Manuscript: February 16, 2011
Manuscript Accepted: February 16, 2011
Published: February 17, 2011

Citation
Zhenyu Yang, Ming Zhao, and Peixiang Lu, "Improving the signal-to-noise ratio for circular polarizers consisting of helical metamaterials," Opt. Express 19, 4255-4260 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-5-4255


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