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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2465–2470

Experimental verification of two-dimensional spatial harmonic analysis at oblique light incidence

Zhengtong Liu, Kuo-Ping Chen, Xingjie Ni, Vladimir P. Drachev, Vladimir M. Shalaev, and Alexander V. Kildishev  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2465-2470 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002465


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Abstract

We use a nanofabricated gold grating to validate two-dimensional spatial harmonic analysis (2D SHA) method, also known as Fourier modal method or rigorous coupled-wave analysis under oblique incidence. The transmittance spectra of the metal grating for incident angles of 0°–30° are obtained in both experiments and simulations at the zero diffraction order. The simulations are performed with our custom software, a fully functional web-based 2D SHA tool, which has been staged at nanoHUB.org and is free to use. The simulation results are compared to experimentally measured values, and a good fit is achieved for all incident angles. Possible reasons for experiment-simulation mismatch in actual nano-plasmonic structures are also discussed.

© 2010 Optical Society of America

OCIS Codes
(160.3918) Materials : Metamaterials
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 28, 2010
Manuscript Accepted: September 10, 2010
Published: November 3, 2010

Citation
Zhengtong Liu, Kuo-Ping Chen, Xingjie Ni, Vladimir P. Drachev, Vladimir M. Shalaev, and Alexander V. Kildishev, "Experimental verification of two-dimensional spatial harmonic analysis at oblique light incidence," J. Opt. Soc. Am. B 27, 2465-2470 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2465

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