Conference paper
Photothermal probing of plasmonic hotspots with nanomechanical resonator
Plasmonic nanostructures (hotspots) are key components e.g. in plasmon-enhanced spectroscopy, plasmonic solar cells, or as nano heat sources. The characterization of single hotspots is still challenging due to a lack of experimental tools. We present the direct photothermal probing and mapping of single plasmonic nanoslits via the thermally induced detuning of nanomechanical string resonators.
A maximum relative frequency detuning of 0.5 % was measured for a single plasmonic nanoslit for a perpendicularly polarized laser with a power of 1350 nW. Finally, we show the photothermal scan over a nanoslit array.
Language: | English |
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Publisher: | IEEE |
Year: | 2014 |
Pages: | 1205-1208 |
Proceedings: | 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS) |
ISBN: | 1479935093 , 1479935107 , 9781479935093 and 9781479935109 |
Types: | Conference paper |
DOI: | 10.1109/MEMSYS.2014.6765864 |
ORCIDs: | Schmid, Silvan , Wu, Kaiyu , Rindzevicius, Tomas and Boisen, Anja |
Fields, Waves and Electromagnetics Laser beams Nanoelectromechanical devices Nanophotonics Plasmonics Resonators
Frequency measurement Gold Heating Measurement by laser beam Plasmons Resonant frequency Silicon compounds laser beams nanoelectromechanical devices nanomechanical resonator nanomechanical string resonator nanophotonics perpendicularly polarized laser photothermal probing plasmonic hotspots plasmonic nanostructures plasmonics power 1350 nW resonators single plasmonic nanoslit mapping thermally induced detuning