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Quasi-isotropic Sur...
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Verre, Ruggero,1985Chalmers tekniska högskola,Chalmers University of Technology
(author)
Quasi-isotropic Surface Plasmon Polariton Generation through Near-Field Coupling to a Penrose Pattern of Silver Nanoparticles
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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2014-09-10
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American Chemical Society (ACS),2014
Numbers
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LIBRIS-ID:oai:research.chalmers.se:856cf9ac-1586-4c36-ba33-5af21b2560c9
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https://doi.org/10.1021/nn503195nDOI
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https://research.chalmers.se/publication/205785URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-197578URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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QC 20171214
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Quasicrystals are structures that possess long-range order without being periodic. We investigate the unique characteristics of a photonic quasicrystal that consists of plasmonic Ag nanodisks arranged in a Penrose pattern. The quasicrystal scatters light in a complex but spectacular diffraction pattern that can be directly imaged in the back focal plane of an optical microscope, allowing us to assess the excitation efficiency of the various diffraction modes. Furthermore, surface plasmon polaritons can be launched almost isotropically through near-field grating coupling when the quasicrystal is positioned close to a homogeneous silver surface. We characterize the dispersion relation of the different excited plasmon modes by reflection measurements and simulations. It is demonstrated that the quasicrystal in-coupling efficiency is strongly enhanced compared to a nanopartide array with the same particle density but only short-range lateral order. We envision that the system can be useful for a number of advanced light harvesting and optoelectronic applications.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Antosiewicz, Tomasz,1981Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tomasza
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Svedendahl, Mikael,1984Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden(Swepub:kth)u1tg08zi
(author)
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Lodewijks, Kristof,1984Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)krilod
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Shegai, Timur,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)timurs
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Käll, Mikael,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kall
(author)
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Chalmers tekniska högskolaChalmers University of Technology, Sweden
(creator_code:org_t)
Related titles
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In:ACS Nano: American Chemical Society (ACS)8:9, s. 9286-92941936-086X1936-0851
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