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Improving the Mismatch between Light and Nanoscale Objects with Gold Bowtie Nanoantennas
Abstract
Metallic bowtie nanoantennas should provide optical fields that are confined to spatial scales far below the diffraction limit. To improve the mismatch between optical wavelengths and nanoscale objects, we have lithographically fabricated Au bowties with lengths approximately 75 nm and gaps of tens of nm. Using two-photon-excited photoluminescence of Au, the local intensity enhancement factor relative to that for the incident diffraction-limited beam has been experimentally determined for the first time. Enhancements >10(3) occur for 20 nm gap bowties, in good agreement with theoretical simulations.
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Citations
Cited by
Mühlschlegel, P., Eisler, H.-J., Martin, O. J. F., Hecht, B., & Pohl, D. W. (2005) · Science · doi:10.1126/science.1111886 · Cited by 2,115
Effective Wavelength Scaling for Optical Antennas
Novotny, L. (2007) · Physical Review Letters · doi:10.1103/physrevlett.98.266802 · Cited by 1,121
Nanoplasmonics: Past, present, and glimpse into future
Stockman, M. I. (2011) · Optics Express · doi:10.1364/oe.19.022029 · Cited by 1,109
Controlling the near-field oscillations of loaded plasmonic nanoantennas
Schnell, M., García-Etxarri, A., Huber, A. J., Crozier, K., Aizpurua, J., & Hillenbrand, R. (2009) · Nature Photonics · doi:10.1038/nphoton.2009.46 · Cited by 466
Adato, R., & Altug, H. (2013) · Nature Communications · doi:10.1038/ncomms3154 · Cited by 406
Metadata
- Authors
- Schuck, P. J., Fromm, D. P., Sundaramurthy, A., Kino, G. S., & Moerner, W. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2005-01-13
- Volume
- 94
- Issue
- 1
- Pages
- 017402-017402
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1982803299
- Cited by
- 1,036
- References
- 0
- FWCI
- 43.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Schuck, P. J., Fromm, D. P., Sundaramurthy, A., Kino, G. S., & Moerner, W. E. (2005). Improving the Mismatch between Light and Nanoscale Objects with Gold Bowtie Nanoantennas. Physical Review Letters. https://doi.org/10.1103/physrevlett.94.017402
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