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Effective Optical Properties of Plasmonic Nanocomposites
AbstractPlasmonic nanocomposites find many applications, such as nanometric coatings in emerging fields, such as optotronics, photovoltaics or integrated optics. To make use of their ability to affect light propagation in an unprecedented manner, plasmonic nanocomposites should consist of densely packed metallic nanoparticles. This causes a major challenge for their theoretical description, since the reliable assignment of effective optical properties with established effective medium theories is no longer possible. Established theories, e.g., the Maxwell-Garnett formalism, are only applicable for strongly diluted nanocomposites. This effective description, however, is a prerequisite to consider plasmonic nanocomposites in the design of optical devices. Here, we mitigate this problem and use full wave optical simulations to assign effective properties to plasmonic nanocomposites with filling fractions close to the percolation threshold. We show that these effective properties can be used to properly predict the optical action of functional devices that contain nanocomposites in their design. With this contribution we pave the way to consider plasmonic nanocomposites comparably to ordinary materials in the design of optical elements.
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Etrich, C.; Fahr, S.; Hedayati, M.K.; Faupel, F.; Elbahri, M.; Rockstuhl, C. Effective Optical Properties of Plasmonic Nanocomposites. Materials 2014, 7, 727-741.View more citation formats
Etrich C, Fahr S, Hedayati MK, Faupel F, Elbahri M, Rockstuhl C. Effective Optical Properties of Plasmonic Nanocomposites. Materials. 2014; 7(2):727-741.Chicago/Turabian Style
Etrich, Christoph; Fahr, Stephan; Hedayati, Mehdi K.; Faupel, Franz; Elbahri, Mady; Rockstuhl, Carsten. 2014. "Effective Optical Properties of Plasmonic Nanocomposites." Materials 7, no. 2: 727-741.
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