dorsal/arxiv
View SchemaResonant backward scattering of light by a two-side-open subwavelength metallic slit
| Authors | S. V. Kukhlevsky, M. Mechler, L. Csapo, K. Janssens, O. Samek |
|---|---|
| Categories | |
| ArXiv ID | physics/0505211 |
| URL | https://arxiv.org/abs/physics/0505211 |
| DOI | 10.1103/PhysRevB.72.165421 |
Abstract
The backward scattering of TM-polarized light by a two-side-open subwavelength slit in a metal film is analyzed. We show that the reflection coefficient versus wavelength possesses a Fabry-Perot-like dependence that is similar to the anomalous behavior of transmission reported in the study [Y. Takakura, Phys. Rev. Lett. \textbf{86}, 5601 (2001)]. The open slit totally reflects the light at the near-to-resonance wavelengths. In addition, we show that the interference of incident and resonantly backward-scattered light produces in the near-field diffraction zone a spatially localized wave whose intensity is 10-10$^3$ times greater than the incident wave, but one order of magnitude smaller than the intra-cavity intensity. The amplitude and phase of the resonant wave at the slit entrance and exit are different from that of a Fabry-Perot cavity.
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"abstract": "The backward scattering of TM-polarized light by a two-side-open\nsubwavelength slit in a metal film is analyzed. We show that the reflection\ncoefficient versus wavelength possesses a Fabry-Perot-like dependence that is\nsimilar to the anomalous behavior of transmission reported in the study [Y.\nTakakura, Phys. Rev. Lett. \\textbf{86}, 5601 (2001)]. The open slit totally\nreflects the light at the near-to-resonance wavelengths. In addition, we show\nthat the interference of incident and resonantly backward-scattered light\nproduces in the near-field diffraction zone a spatially localized wave whose\nintensity is 10-10$^3$ times greater than the incident wave, but one order of\nmagnitude smaller than the intra-cavity intensity. The amplitude and phase of\nthe resonant wave at the slit entrance and exit are different from that of a\nFabry-Perot cavity.",
"arxiv_id": "physics/0505211",
"authors": [
"S. V. Kukhlevsky",
"M. Mechler",
"L. Csapo",
"K. Janssens",
"O. Samek"
],
"categories": [
"physics.optics"
],
"doi": "10.1103/PhysRevB.72.165421",
"title": "Resonant backward scattering of light by a two-side-open subwavelength metallic slit",
"url": "https://arxiv.org/abs/physics/0505211"
},
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