Rare earth ions having both electric and magnetic dipole transitions in emission spectra can be used as local probe to provide information on degree of modification and local distribution of optical electric and magnetic fields in plasmonic systems. In our research, we use highly luminescent organic systems with Eu3+ to study and analyze modification of magnetic and electric dipoles emission in different environment, including systems having plasmonic electric resonance or magnetic resonance in the range of Eu3+ emission, and flat metal. Experimental setup based on selective detection of the particular transition was built and used for probing and mapping of electric and magnetic fields in plasmonic systems and metasurfaces. The method developed can find applications in characterization of plasmonic systems and metamaterials, and engineering of emission properties of rare earth ions and other emitters.
Natalia Noginova, Rabia Hussain, and Soheila Mashhadi, "Probing and mapping plasmonic systems by spectroscopic methods
(Conference Presentation)," Proc. SPIE 9920, Active Photonic Materials VIII, 99201X (Presented at SPIE Nanoscience + Engineering: September 01, 2016; Published: 9 November 2016); https://doi.org/10.1117/12.2236702.5159519959001.
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