Theoretical and Experimental Investigation of Strongly Localized Plasmons on Triangular Metal Wedges for Subwavelength Waveguiding
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Description
We report numerical analysis and experimental observation of strongly localized plasmons guided by a triangular metal wedge. Dispersion and dissipation of such wedge plasmons are analyzed using the finite-difference time-domain algorithm. Experimental observation is conducted by the end-fire excitation and near-field detection of the predicted plasmons on a 40 degree silver nano-wedge. Good agreement with the theoretically predicted propagation distances is demonstrated. Differences between the theoretical and experimental field distribution are explained by insufficient resolution of the near-field optical probe.
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| ID Code: | 1677 |
|---|---|
| Item Type: | Contribution to Journal (Journal Article) |
| Refereed: | Yes |
| Measurements or Duration: | 3 pages |
| Keywords: | Nano-Optics, Subwavelength Waveguides, Surface Plasmons |
| DOI: | 10.1063/1.1991990 |
| ISSN: | 0003-6951 |
| Pure ID: | 34299091 |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Health Past > QUT Faculties & Divisions > Faculty of Science and Technology Past > QUT Faculties & Divisions > Creative Industries Faculty Current > Research Centres > Law and Justice Research Centre |
| Copyright Owner: | Consult author(s) regarding copyright matters |
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au |
| Deposited On: | 19 Jul 2006 00:00 |
| Last Modified: | 03 Jun 2024 21:32 |
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