dorsal/arxiv
View SchemaTheory of surface plasmon generation at nanoslit apertures
| Authors | P. Lalanne, J. P. Hugonin, J. C. Rodier |
|---|---|
| Categories | |
| ArXiv ID | physics/0512212 |
| URL | https://arxiv.org/abs/physics/0512212 |
| DOI | 10.1103/PhysRevLett.95.263902 |
| Journal | Phys. Rev. Lett. 95, 263902 (2005) |
Abstract
In this letter, we study the scattering of light by a single subwavelength slit in a metal screen. In contrast to previous theoretical works, we provide a microscopic description of the scattering process by emphasizing the generation of surface plasmons at the slit apertures. The analysis is supported by a rigorous formalism based on a normal-mode-decomposition technique and by a semi-analytical model which provides accurate formulae for the plasmonic generation strengths. The generation is shown to be fairly efficient for metals with a low conductivity, like gold in the visible regime. Verification of the theory is also shown by comparison with recent experimental data [H.F. Schouten et al., Phys. Rev. Lett. 94, 053901 (2005)].
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"abstract": "In this letter, we study the scattering of light by a single subwavelength\nslit in a metal screen. In contrast to previous theoretical works, we provide a\nmicroscopic description of the scattering process by emphasizing the generation\nof surface plasmons at the slit apertures. The analysis is supported by a\nrigorous formalism based on a normal-mode-decomposition technique and by a\nsemi-analytical model which provides accurate formulae for the plasmonic\ngeneration strengths. The generation is shown to be fairly efficient for metals\nwith a low conductivity, like gold in the visible regime. Verification of the\ntheory is also shown by comparison with recent experimental data [H.F. Schouten\net al., Phys. Rev. Lett. 94, 053901 (2005)].",
"arxiv_id": "physics/0512212",
"authors": [
"P. Lalanne",
"J. P. Hugonin",
"J. C. Rodier"
],
"categories": [
"physics.optics"
],
"doi": "10.1103/PhysRevLett.95.263902",
"journal_ref": "Phys. Rev. Lett. 95, 263902 (2005)",
"title": "Theory of surface plasmon generation at nanoslit apertures",
"url": "https://arxiv.org/abs/physics/0512212"
},
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