Journal
OPTICS EXPRESS
Volume 17, Issue 13, Pages 10767-10772Publisher
Optica Publishing Group
DOI: 10.1364/OE.17.010767
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Funding
- National Science Foundation (NSF) PREM [DMR-0611430]
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Spontaneous emission of Eu3+ ions is studied in thin organic films deposited onto several different substrates. It has been demonstrated that the presence of a metallic surface in close vicinity to emitting Eu3+ ions causes modifications of their spontaneous emission spectra, in particular, the change in the relative strengths of magnetic-dipole and electric-dipole transitions. The character and the magnitude of the effect depend on the polarization and the observation angle. The experimental data are discussed in terms of modification of transition probabilities and account for the interference between directly emitted and reflected light waves. (C) 2009 Optical Society of America
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