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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 1 — Jan. 3, 2011

Molecular ruler based on concurrent measurements of enhanced Raman scattering and fluorescence

M. M. Dvoynenko, Z. I. Kazantseva, V. V. Strelchuk, O. F. Kolomys, E. F. Venger, and J.-K. Wang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 22, pp. 3808-3810 (2010)
http://dx.doi.org/10.1364/OL.35.003808


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Abstract

We report a way to assess the separation between a molecule and a metal surface on account of both Raman scattering and fluorescence intensities measured simultaneously. This approach has no need for an accurate quantity of molecules and bears 1 nm resolution. Its distance sensitivity is experimentally demonstrated in the case of dye molecules lying on a gold surface with a polymer spacer layer in between and is compared with theoretical prediction.

© 2010 Optical Society of America

OCIS Codes
(290.5860) Scattering : Scattering, Raman
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6390) Spectroscopy : Spectroscopy, molecular
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Spectroscopy

History
Original Manuscript: August 2, 2010
Revised Manuscript: September 20, 2010
Manuscript Accepted: October 15, 2010
Published: November 9, 2010

Virtual Issues
Vol. 6, Iss. 1 Virtual Journal for Biomedical Optics

Citation
M. M. Dvoynenko, Z. I. Kazantseva, V. V. Strelchuk, O. F. Kolomys, E. F. Venger, and J.-K. Wang, "Molecular ruler based on concurrent measurements of enhanced Raman scattering and fluorescence," Opt. Lett. 35, 3808-3810 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-22-3808

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