Thermometry of plasmonic nanostructures by anti-S tokes electronic Raman scattering

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Measurements of temperature of optically excited plasmonic nanostructures are needed to evaluate their functionality and thermal stability. Here, we describe a simple, accurate, and non-invasive thermometry based on anti-Stokes electronic Raman scattering. We validate the approach using an array of uniformly heated Au nanodisks and perform experiments on the heating of individual nanodisk by a focused laser beam. The steady-state temperature rise of an individual nanodisk has comparable contributions from the thermal conductance of the Au/quartz interface and heat spreading in the quartz substrate. The temperature measurements have an accuracy of 3% of the absolute temperature in the range of temperatures 300 < T < 700 K.

Original languageEnglish (US)
Article number183104
JournalApplied Physics Letters
Issue number18
StatePublished - Oct 31 2016

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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