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- Title
Plasmonic nanofocusing with a metallic pyramid and an integrated C-shaped aperture.
- Authors
Lindquist, Nathan C.; Johnson, Timothy W.; Nagpal, Prashant; Norris, David J.; Sang-Hyun Oh
- Abstract
We demonstrate the design, fabrication and characterization of a near-field plasmonic nanofocusing probe with a hybrid tip-plus-aperture design. By combining template stripping with focused ion beam lithography, a variety of aperture-based near-field probes can be fabricated with high optical performance. In particular, the combination of large transmission through a C-shaped aperture aligned to the sharp apex (<10 nm radius) of a template-stripped metallic pyramid allows the efficient delivery of light-via the C-shaped aperture-while providing a nanometric hotspot determined by the sharpness of the tip itself.
- Subjects
LITHOGRAPHY; METALLIC composites; OPTICAL apertures; NEAR-field microscopy; LIGHT
- Publication
Scientific Reports, 2013, Vol 3, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep01857