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Strain mapping with optically coupled plasmonic particles embedded in a flexible substrate


Sannomiya, T; Hafner, C; Vörös, J (2009). Strain mapping with optically coupled plasmonic particles embedded in a flexible substrate. Optics Letters, 34(13):2009-2011.

Abstract

A change of the optical coupling of plasmonic particles was observed upon deformation of a matrix elastomer where 50 nm gold particles were embedded. The coupling mode showed higher extinction at the polarization perpendicular to the strain direction than the parallel polarization, as deformation induces interparticle distance change. Simulation by a multiple multipole program confirmed such a spectral change when the orientation of a coupled particle cluster is deformed. The strain vector map was constructed from the microscopy images with different polarizations at the strain-sensitive wavelength.

A change of the optical coupling of plasmonic particles was observed upon deformation of a matrix elastomer where 50 nm gold particles were embedded. The coupling mode showed higher extinction at the polarization perpendicular to the strain direction than the parallel polarization, as deformation induces interparticle distance change. Simulation by a multiple multipole program confirmed such a spectral change when the orientation of a coupled particle cluster is deformed. The strain vector map was constructed from the microscopy images with different polarizations at the strain-sensitive wavelength.

Citations

13 citations in Web of Science®
11 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2009
Deposited On:22 Dec 2009 14:02
Last Modified:05 Apr 2016 13:41
Publisher:Optical Society of America (OSA)
ISSN:0146-9592
Publisher DOI:https://doi.org/10.1364/OL.34.002009
PubMed ID:19571982

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