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Optical antennas: Resonators for local field enhancement
Abstract
Electromagnetic field enhancement in optical antenna arrays is studied by simulation and experiment at midinfrared wavelengths. The optical antennas are designed to produce intense optical fields confined to subwavelength spatial dimensions when illuminated at the resonant wavelength. Finite difference time domain (FDTD) method simulations are made of the current, charge, and field distributions in the antennas. The influence of antenna shape, length, and sharpness upon the intensity of the optical fields produced is found. Optical antennas arrays are fabricated on transparent substrates by electron beam lithography. Far-field extinction spectroscopy carried out on the antenna arrays shows the dependence of the resonant wavelength on the antenna length and material. The FDTD calculated and experimentally measured extinction efficiencies of the optical antennas are found to be in good agreement.
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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
Plasmonics: Localization and guiding of electromagnetic energy in metal/dielectric structures
Maier, S. A., & Atwater, H. A. (2005) · Journal of Applied Physics · doi:10.1063/1.1951057 · Cited by 1,923
Quantum mechanical effects in plasmonic structures with subnanometre gaps
Zhu, W., Esteban, R., Borisov, A. G., Baumberg, J. J., Nordlander, P., Lezec, H. J., Aizpurua, J., & Crozier, K. B. (2016) · Nature Communications · doi:10.1038/ncomms11495 · Cited by 820
Self-citationUltra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays
Adato, R., Yanik, A. A., Amsden, J. J., Kaplan, D. L., Omenetto, F. G., Hong, M. K., Erramilli, S., & Altug, H. (2009) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0907459106 · Cited by 668
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
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Metadata
- Authors
- Crozier, K. B., Sundaramurthy, A., Kino, G. S., & Quate, C. F.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 2003-10-01
- Volume
- 94
- Issue
- 7
- Pages
- 4632-4642
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W2027643945
- Cited by
- 468
- References
- 0
- FWCI
- 8.20
- Type
- journal article
- Language
- en
- Open access
- closed
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- Crozier, K. B., Sundaramurthy, A., Kino, G. S., & Quate, C. F. (2003). Optical antennas: Resonators for local field enhancement. Journal of Applied Physics. https://doi.org/10.1063/1.1602956
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