The expansion of nanoscale optics has generated a variety of scanning probe geometries that yield spatial resolution below 10 nm. In this work, we present a physical model for coupling far-field radiation to plasmonic modes on the surface of a scanning probe, and propose a scheme for extending the working distance of such a probe. In a subsurface application, an optical transformer at the tip of a probe can be coupled to a remote near-field antenna placed inside the sample at a distance away from the surface, expanding the effective working distance up to 100 nm. © 2014 CIOMP. All rights reserved 2047-7538/14.
Coupling model for an extended-range plasmonic optical transformer scanning probe / Polyakov, A.; Melli, M.; Cantarella, G.; Weber-Bargioni, A.; Schuck, P.; Cabrini, S.. - In: LIGHT, SCIENCE & APPLICATIONS. - ISSN 2095-5545. - 3:(2014). [10.1038/lsa.2014.76]
Coupling model for an extended-range plasmonic optical transformer scanning probe
Cantarella G.;
2014-01-01
Abstract
The expansion of nanoscale optics has generated a variety of scanning probe geometries that yield spatial resolution below 10 nm. In this work, we present a physical model for coupling far-field radiation to plasmonic modes on the surface of a scanning probe, and propose a scheme for extending the working distance of such a probe. In a subsurface application, an optical transformer at the tip of a probe can be coupled to a remote near-field antenna placed inside the sample at a distance away from the surface, expanding the effective working distance up to 100 nm. © 2014 CIOMP. All rights reserved 2047-7538/14.
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