Journal
APPLIED PHYSICS LETTERS
Volume 109, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4966289
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- Seagate Technology
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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. Published by AIP Publishing.
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