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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 9 — Sep. 1, 2012
  • pp: 2595–2602

Dark-field hyperlens exploiting a planar fan of tips

Henri Benisty and François Goudail  »View Author Affiliations


JOSA B, Vol. 29, Issue 9, pp. 2595-2602 (2012)
http://dx.doi.org/10.1364/JOSAB.29.002595


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Abstract

Metallo-dielectric superlenses transfer subwavelength-scale information without magnification. The so-called hyperlenses additionally magnify, transferring images into traditional far-field optics. We target hyperlenses based on the “canalization” phenomenon in an array of wires, modified to form an open fan, also called “endoscope.” We use an integrated optics design with silicon wires, fed for instance by grating couplers, accessing gold wire fans. This alleviates the need to care for wire length. We explore a regime where we do not only image a near-field source, but where we image illuminated nano-objects, as done in microscopy, light being fed by a second fan before the object plane. In order to counter the low contrast from illuminated nano-objects, we propose here a dark-field hyperlens concept: We show that the illumination fan can be fed so as to get a dark output for a “void” object field, as occurs in the eponym microscopy method. We obtain, at a wavelength as large as 1200 nm, a well-resolved imaging capability for a scene of two 30 nm silicon particles.

© 2012 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(180.3170) Microscopy : Interference microscopy
(180.4243) Microscopy : Near-field microscopy
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Microscopy

History
Original Manuscript: June 19, 2012
Revised Manuscript: July 19, 2012
Manuscript Accepted: July 27, 2012
Published: August 30, 2012

Virtual Issues
Vol. 7, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Henri Benisty and François Goudail, "Dark-field hyperlens exploiting a planar fan of tips," J. Opt. Soc. Am. B 29, 2595-2602 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-9-2595

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