articleTop 1% cited
Infrared Perfect Absorber and Its Application As Plasmonic Sensor
Nano Letters · 2010 · Vol. 10(7) · pp. 2342–2348
Na Liu✉(University of Stuttgart)Martin Mesch(University of Stuttgart)Thomas Weiß(University of Stuttgart)Mario Hentschel(University of Stuttgart)Harald Gießen(University of Stuttgart)
Abstract
We experimentally demonstrate a perfect plasmonic absorber at lambda = 1.6 microm. Its polarization-independent absorbance is 99% at normal incidence and remains very high over a wide angular range of incidence around +/-80 degrees. We introduce a novel concept to utilize this perfect absorber as plasmonic sensor for refractive index sensing. This sensing strategy offers great potential to maintain the performance of localized surface plasmon sensors even in nonlaboratory environments due to its simple and robust measurement scheme.
Plasmonic and Surface Plasmon ResearchMetamaterials and Metasurfaces ApplicationsOptical Wireless Communication TechnologiesPlasmonPolarization (electrochemistry)AbsorbanceMaterials scienceRefractive indexOptoelectronicsSurface plasmonOpticsInfraredPhysics
Funding
- Bundesministerium für Bildung und Forschung
Citations
2,803
FWCI
63.66
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References
43
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