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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 11 — Nov. 13, 2006

Scanning near-field optical data contrast measurement: a tomographylike near-field reconstruction

Dominique Barchiesi  »View Author Affiliations


Applied Optics, Vol. 45, Issue 29, pp. 7597-7601 (2006)
http://dx.doi.org/10.1364/AO.45.007597


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Abstract

A method for the reconstruction of near-field optical signals is proposed to produce a tomographylike map of the field above the nanostructures being studied. The data obtained through lock-in detection are processed employing Chebyshev's polynomial function of the distance between the probe and the sample. The method is first applied to numerically generated near-field evanescent data, with three different decreasing lengths, and then applied to an experimental signal. Therefore the contrast of the signal above nanostructures is discussed to underline the discrepancy between the scanning near-field optical microscopy data and the reconstructions.

© 2006 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(180.5810) Microscopy : Scanning microscopy

History
Original Manuscript: February 8, 2006
Revised Manuscript: April 4, 2006
Manuscript Accepted: April 5, 2006

Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Dominique Barchiesi, "Scanning near-field optical data contrast measurement: a tomographylike near-field reconstruction," Appl. Opt. 45, 7597-7601 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-29-7597

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