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An all-polymer photonic structure constituted by a distributed Bragg reflector topped with an ultrathin fluorescent polymer film has been studied. A Bloch surface wave resonance has been exploited to improve pumping efficiency. A strongly polarization and angle dependent fluorescence signal is found with respect to the light pumping beam and the emitted wavelength. Matching the most favorable condition for the pump coupling and the collection geometry, the signal obtained from the structure appears to be two orders of magnitude larger than the one of the bare emitting film.

Demonstration of fluorescence enhancement: via Bloch surface waves in all-polymer multilayer structures

FORNASARI, LUCIA;FLORIS, FRANCESCO;PATRINI, MADDALENA;MARABELLI, FRANCO
2016-01-01

Abstract

An all-polymer photonic structure constituted by a distributed Bragg reflector topped with an ultrathin fluorescent polymer film has been studied. A Bloch surface wave resonance has been exploited to improve pumping efficiency. A strongly polarization and angle dependent fluorescence signal is found with respect to the light pumping beam and the emitted wavelength. Matching the most favorable condition for the pump coupling and the collection geometry, the signal obtained from the structure appears to be two orders of magnitude larger than the one of the bare emitting film.
2016
Applied Physics/Condensed Matter/Materials Science encompasses the resources of three related disciplines: Applied Physics, Condensed Matter Physics, and Materials Science. The applied physics resources are concerned with the applications of topics in condensed matter as well as optics, vacuum science, lasers, electronics, cryogenics, magnets and magnetism, acoustical physics and mechanics. The condensed matter physics resources are concerned with the study of the structure and the thermal, mechanical, electrical, magnetic and optical properties of condensed matter. They include superconductivity, surfaces, interfaces, thin films, dielectrics, ferroelectrics and semiconductors. The materials science resources are concerned with the physics and chemistry of materials and include ceramics, composites, alloys, metals and metallurgy, nanotechnology, nuclear materials, adhesion and adhesives. Resources dealing with polymeric materials are listed in the Organic Chemistry/Polymer Science category.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
WOS:000377042400039
2-s2.0-84970028294
Esperti anonimi
Inglese
Internazionale
18
20
14086
14093
8
27158698
pubblicazione in rivista internazionale I.F.: 3.43 (2919)
PHOTONIC CRYSTAL-SURFACE; QUANTUM DOTS; SPONTANEOUS EMISSION; OPTICAL-CONSTANTS; MEDIA; MICROCAVITY; BIOSENSORS; OPALS; FILMS; LASER
http://www.rsc.org/Publishing/Journals/CP/index.asp
https://pubs.rsc.org/en/content/articlelanding/2016/CP/C5CP07660A#!divAbstract
no
5
info:eu-repo/semantics/article
262
Fornasari, Lucia; Floris, Francesco; Patrini, Maddalena; Comoretto, Davide; Marabelli, Franco
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/1176744
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