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17 September 2018 Ultralow-loss field-enhanced spectroscopy using plasmonic and dielectric nanostructures (Conference Presentation)
Taka-aki Yano
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Proceedings Volume 10726, Nanoimaging and Nanospectroscopy VI; 107260L (2018) https://doi.org/10.1117/12.2320769
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States
Abstract
Plasmonically-induced optical heating is a crucial issue for field-enhanced spectroscopy of heat sensitive materials such as biomolecules. Here in this talk, we introduce efficient ways to spectroscopically evaluate the elevated temperature in the vicinity of metallic nanostructures and even to significantly suppress it. As an alternative to plasmonic nanostructures, we also introduce low-loss dielectric nanostructures to achieve complete suppression of the optical heating along with high field enhancement, enabling us to demonstrate field-enhanced spectroscopy of biomolecules without any thermal damages.
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Taka-aki Yano "Ultralow-loss field-enhanced spectroscopy using plasmonic and dielectric nanostructures (Conference Presentation)", Proc. SPIE 10726, Nanoimaging and Nanospectroscopy VI, 107260L (17 September 2018); https://doi.org/10.1117/12.2320769
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KEYWORDS
Spectroscopy
Field spectroscopy
Dielectrics
Plasmonics
Nanostructures
Thermography
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