Refractive index sensing with localized plasmonic resonances - Unger, Andreas
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In this book the sensing properties of plasmonic resonators for changes in the surrounding refractive index are investigated. A self-consistent and general sensing theory is developed. This theory connects the electrodynamic properties of plasmonic resonators like resonance wavelength and electric field distribution to the sensitivity for refractive index changes. A figure of merit (FOM) is derived which includes the effects of noise and in its general form directly states if a certain change in refractive index will be measurable or not. For the FOM in the quasi-static limit absolute bounds…mehr

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Produktbeschreibung
In this book the sensing properties of plasmonic resonators for changes in the surrounding refractive index are investigated. A self-consistent and general sensing theory is developed. This theory connects the electrodynamic properties of plasmonic resonators like resonance wavelength and electric field distribution to the sensitivity for refractive index changes. A figure of merit (FOM) is derived which includes the effects of noise and in its general form directly states if a certain change in refractive index will be measurable or not. For the FOM in the quasi-static limit absolute bounds and scalings are derived. These bounds are based on the localization of electromagnetic energy for which analytic expressions were known before. To confirm the developed theory numerical calculations and an experiment with crescent shaped plasmonic resonators is carried out and good agreement is found.
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Autorenporträt
studied Applied Physics with focus on computationalengineering at the University of Applied Sciences Wiesbaden. Hegraduated as a Diploma Engineer and joined the MPI for PolymerResearch Mainz in 2007. He finished his PhD in 2010 at the chairof Optoelectronics at the University of Mannheim. Currently heworks as an optical engineer in industry.