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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 11 — Jun. 1, 1999
  • pp: 747–749

Near-field imaging of the interference pattern of counterpropagating evanescent waves

Sergey I. Bozhevolnyi and Elena A. Bozhevolnaya  »View Author Affiliations


Optics Letters, Vol. 24, Issue 11, pp. 747-749 (1999)
http://dx.doi.org/10.1364/OL.24.000747


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Abstract

It is generally accepted that measurement of the contrast of the intensity interference pattern formed by two counterpropagating evanescent waves can be used to characterize the resolving power of a collection near-field microscope. We argue that, if the light collected by a fiber probe propagates toward a detector in the form of guided fiber modes, then this perception is wrong. Using symmetry arguments and simple calculations, we show that, if an extended fiber probe is axially symmetric and oriented perpendicular to the propagation direction, then the measured contrast should always be equal to the contrast of the interference pattern.

© 1999 Optical Society of America

OCIS Codes
(110.2990) Imaging systems : Image formation theory
(180.5810) Microscopy : Scanning microscopy

Citation
Sergey I. Bozhevolnyi and Elena A. Bozhevolnaya, "Near-field imaging of the interference pattern of counterpropagating evanescent waves," Opt. Lett. 24, 747-749 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-11-747

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