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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 8 — Apr. 15, 2013
  • pp: 1355–1357

Distance-dependent plasmonic enhancement via radiative transitions of Europium complex

Seong Min Lee and Kyung Cheol Choi  »View Author Affiliations


Optics Letters, Vol. 38, Issue 8, pp. 1355-1357 (2013)
http://dx.doi.org/10.1364/OL.38.001355


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Abstract

We elucidated the distance-dependent plasmonic effects on radiative transitions from an Eu3+ ion-doped phosphor by varying the thickness of the dielectric spacer. Magnesium oxide prepared by electron-beam evaporation was chosen for the dielectric spacer. Spectral overlap between emission from Eu3+ ions and the plasmon band of Ag nanoparticles led to improved luminescence intensity. This luminous enhancement was effective within the area of influence by localized surface plasmon resonance. At a long distance, the plasmon-enhanced luminescence was not effective. In addition, the numerical analysis results were in good agreement with the distance-dependent decay characteristics of plasmon resonance.

© 2013 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Materials

History
Original Manuscript: February 7, 2013
Revised Manuscript: March 10, 2013
Manuscript Accepted: March 13, 2013
Published: April 12, 2013

Citation
Seong Min Lee and Kyung Cheol Choi, "Distance-dependent plasmonic enhancement via radiative transitions of Europium complex," Opt. Lett. 38, 1355-1357 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-8-1355


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