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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 15 — May. 20, 2003
  • pp: 2724–2729

Optical near-field Raman imaging with subdiffraction resolution

Pietro G. Gucciardi, Sebastiano Trusso, Cirino Vasi, Salvatore Patanè, and Maria Allegrini  »View Author Affiliations


Applied Optics, Vol. 42, Issue 15, pp. 2724-2729 (2003)
http://dx.doi.org/10.1364/AO.42.002724


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Abstract

We report optical near-field Raman imaging with subdiffraction resolution (∼120 nm) without field enhancement effects. Chemical discrimination on tetracyanoquinodimethane organic thin films showing localized salt complexes is accomplished by detailed Raman maps. Acquisition times that are much shorter than previously reported are due to the high Raman efficiency of the materials and to a careful collection and detection of the optical signals in our near-field Raman spectrometer.

© 2003 Optical Society of America

OCIS Codes
(180.0180) Microscopy : Microscopy
(180.5810) Microscopy : Scanning microscopy
(300.0300) Spectroscopy : Spectroscopy
(300.6450) Spectroscopy : Spectroscopy, Raman

History
Original Manuscript: September 17, 2002
Revised Manuscript: January 20, 2003
Published: May 20, 2003

Citation
Pietro G. Gucciardi, Sebastiano Trusso, Cirino Vasi, Salvatore Patanè, and Maria Allegrini, "Optical near-field Raman imaging with subdiffraction resolution," Appl. Opt. 42, 2724-2729 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-15-2724


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