Study of broadband polarization conversion with metallic surface-relief gratings by rigorous coupled-wave analysis
JOSA A, Vol. 25, Issue 6, pp. 1339-1348 (2008)
http://dx.doi.org/10.1364/JOSAA.25.001339
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Abstract
The conical rigorous coupled-wave analysis (RCWA) is employed to calculate the polarization conversion through the excitation of surface plasmons on metallic gratings. Various examples are examined with this numerical scheme. Our calculated results are consistent with those obtained from experiment and from other numerical methods. Three types of subwavelength surface-relief gratings are studied for the capability of broadband polarization conversion in the visible region. For wide-angle applications, various incident angles are studied and high polarization conversion efficiency is achieved.
© 2008 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons
(260.5430) Physical optics : Polarization
(050.1755) Diffraction and gratings : Computational electromagnetic methods
ToC Category:
Diffraction and Gratings
History
Original Manuscript: January 8, 2008
Revised Manuscript: April 2, 2008
Manuscript Accepted: April 2, 2008
Published: May 16, 2008
Citation
Chang-Ching Tsai and Shin-Tson Wu, "Study of broadband polarization conversion with metallic surface-relief gratings by rigorous coupled-wave analysis," J. Opt. Soc. Am. A 25, 1339-1348 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-6-1339
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