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Applied Optics

Applied Optics


  • Vol. 49, Iss. 7 — Mar. 1, 2010
  • pp: A36–A41

Improving imaging performance of a metallic superlens using the long-range surface plasmon polariton mode cutoff technique

Guillaume Tremblay and Yunlong Sheng  »View Author Affiliations

Applied Optics, Vol. 49, Issue 7, pp. A36-A41 (2010)

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The metallic superlens is based on excitation and amplification of coupled surface plasmon polariton (SPP) modes through a metal slab. However, the narrow and too-high peaks of the SPP resonance modes in the transfer function can jeopardize imaging performance, such that high sidelobes occur in the image of isolated subwavelength patterns. We propose to design a metallic superlens by approaching the cutoff condition of the long-range SPP mode to flatten the transfer function and to improve imaging performance significantly.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(310.2790) Thin films : Guided waves

Original Manuscript: December 3, 2009
Revised Manuscript: December 20, 2009
Manuscript Accepted: December 23, 2009
Published: January 22, 2010

Guillaume Tremblay and Yunlong Sheng, "Improving imaging performance of a metallic superlens using the long-range surface plasmon polariton mode cutoff technique," Appl. Opt. 49, A36-A41 (2010)

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