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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 2 — Feb. 1, 2010
  • pp: 268–275

Analysis of Ag-superlens performances using spatial convolution formulation

Indra Karnadi, Alexander A. Iskandar, and May-On Tjia  »View Author Affiliations


JOSA A, Vol. 27, Issue 2, pp. 268-275 (2010)
http://dx.doi.org/10.1364/JOSAA.27.000268


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Abstract

It is shown that the spatial convolution formulation offers the advantage for direct analysis in the real space of the effects of system-object feature mismatches on the resulting image quality. Imaging systems of various layered Ag-poly(methyl methacrylate) configurations and a variety of square-slit objects were considered for the analysis. The results reveal how those feature mismatches affect the image quality and clarify the previously suggested possible advantage of using a layered Ag superlens over a single-Ag slab of the same total thickness. Those mismatches may eventually be quantified to allow the optimization of a superlens appropriate for imaging a certain object.

© 2010 Optical Society of America

OCIS Codes
(110.5220) Imaging systems : Photolithography
(260.3910) Physical optics : Metal optics
(110.4235) Imaging systems : Nanolithography
(050.6624) Diffraction and gratings : Subwavelength structures
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Imaging Systems

History
Original Manuscript: October 12, 2009
Manuscript Accepted: December 2, 2009
Published: January 25, 2010

Citation
Indra Karnadi, Alexander A. Iskandar, and May-On Tjia, "Analysis of Ag-superlens performances using spatial convolution formulation," J. Opt. Soc. Am. A 27, 268-275 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-2-268


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References

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  11. The result presented in Figs. 4(f) and 4(g) of seems to have a missing factor of (2π)−1 in the calculated intensity.
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