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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 15 — Aug. 1, 2009
  • pp: 2381–2383

Enhanced fluorescence by metal nanospheres on metal substrates

Stefania D’Agostino, Pier Paolo Pompa, Rocco Chiuri, Raymond J. Phaneuf, Dominic G. Britti, Rosaria Rinaldi, Roberto Cingolani, and Fabio Della Sala  »View Author Affiliations

Optics Letters, Vol. 34, Issue 15, pp. 2381-2383 (2009)

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We investigate the metal enhanced fluorescence by silver nanospheres on a thin silver substrate. Experimental measurements for core/shell colloidal nanocrystals embedded in a polymer matrix show a fluorescence enhancement factor of about 9. We apply the discrete dipole approximation method to describe the local-field enhancement factor (LFEF). We find that the observed fluorescence enhancement is related to the broad LFEF profile induced by the substrate.

© 2009 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.2510) Physical optics : Fluorescence
(050.1755) Diffraction and gratings : Computational electromagnetic methods

ToC Category:
Optics at Surfaces

Original Manuscript: April 8, 2009
Revised Manuscript: June 25, 2009
Manuscript Accepted: July 7, 2009
Published: July 31, 2009

Stefania D'Agostino, Pier Paolo Pompa, Rocco Chiuri, Raymond J. Phaneuf, Dominic G. Britti, Rosaria Rinaldi, Roberto Cingolani, and Fabio Della Sala, "Enhanced fluorescence by metal nanospheres on metal substrates," Opt. Lett. 34, 2381-2383 (2009)

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