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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 25 — Dec. 8, 2008
  • pp: 21039–21052

Numerical prediction of minimum sub-diffraction-limit image generated by silver surface plasmon lenses

Masafumi Fujii, Wolfgang Freude, and Juerg Leuthold  »View Author Affiliations


Optics Express, Vol. 16, Issue 25, pp. 21039-21052 (2008)
http://dx.doi.org/10.1364/OE.16.021039


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Abstract

Sub-diffraction-limit imaging by the surface plasmon polariton (SPP) induced in thin metal film lenses has been analyzed numerically. The SPP images are deteriorated by interference of plasmon fields in layered metal-dielectric structures. To obtain a clear imaging capability, the reflection and the transmission property of evanescent waves in the layered structures has been investigated by the finite-difference time-domain (FDTD) method. For verification, a full 3-dimensional analysis of large-scale layered structures demonstrated sub-wavelength images similar to those obtained in the recently reported experiments. The analysis has been extended further to a lithography of nano-scale images to predict the minimum possible size of the images resolved by the silver thin film lenses.

© 2008 Optical Society of America

OCIS Codes
(220.3740) Optical design and fabrication : Lithography
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves
(160.3918) Materials : Metamaterials

ToC Category:
Optics at Surfaces

History
Original Manuscript: October 13, 2008
Revised Manuscript: November 11, 2008
Manuscript Accepted: November 21, 2008
Published: December 4, 2008

Citation
Masafumi Fujii, Wolfgang Freude, and Juerg Leuthold, "Numerical prediction of minimum sub-diffraction-limit image generated by silver surface plasmon lenses," Opt. Express 16, 21039-21052 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-25-21039


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References

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