Abstract
The aim of a nanoruler is to measure distances on a length scale in the order of nanometers. This concept can be realized by two plasmonic nanoparticles (usually spheres), which are placed within a short distance to each other. Since the plasmon modes of both particles are coupled, they influence each other along the interparticle axis (i.e. longitudinal plasmon mode, resulting in a shift of the resonance wavelength compared to the single particle. Because the resulting resonance wavelength depends on the interparticle distance, the spectral investigation of such a dimer allows the determination of the interparticle distance.
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© 2012 Springer-Verlag Berlin Heidelberg
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Becker, J. (2012). Self Calibrating Nano-Ruler. In: Plasmons as Sensors. Springer Theses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31241-0_11
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DOI: https://doi.org/10.1007/978-3-642-31241-0_11
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