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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 6 — Mar. 12, 2012
  • pp: 6412–6420

Experimental characterization of the transfer function for a Silver-dielectric superlens

Ciaran P. Moore and Richard J. Blaikie  »View Author Affiliations


Optics Express, Vol. 20, Issue 6, pp. 6412-6420 (2012)
http://dx.doi.org/10.1364/OE.20.006412


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Abstract

We describe a technique for experimentally determining the spatial-frequency modulation transfer function for near-field super-resolution imaging systems and present such a modulation transfer function for a 20|40|20 nm poly(vinyl alcohol)~(PVA)|Silver|PVA superlens exposed to 365 nm wavelength (i-line) radiation through a 50-nm thick tungsten mask. An extensive spectral characterization is achieved from only two exposures, with transmission coefficients determined for spatial frequencies as high as 13 µm−1, corresponding to λ / 4.75. The resulting transfer function is in good agreement with analytical models that incorporate the effects of mask-superlens interactions.

© 2012 OSA

OCIS Codes
(100.1160) Image processing : Analog optical image processing
(100.6640) Image processing : Superresolution
(110.4850) Imaging systems : Optical transfer functions
(260.2110) Physical optics : Electromagnetic optics
(110.3925) Imaging systems : Metrics
(110.6895) Imaging systems : Three-dimensional lithography

ToC Category:
Image Processing

History
Original Manuscript: January 25, 2012
Revised Manuscript: February 28, 2012
Manuscript Accepted: February 29, 2012
Published: March 5, 2012

Citation
Ciaran P. Moore and Richard J. Blaikie, "Experimental characterization of the transfer function for a Silver-dielectric superlens," Opt. Express 20, 6412-6420 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-6-6412


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References

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