dorsal/arxiv
View SchemaEvanescent wave interference and the total transparency of a warm high-density plasma slab
| Authors | E. Fourkal, I. Velchev, C-M. Ma, A. Smolyakov |
|---|---|
| Categories | |
| ArXiv ID | physics/0607125 |
| URL | https://arxiv.org/abs/physics/0607125 |
| DOI | 10.1063/1.2354574 |
Abstract
It is shown that an overcritical density plasma slab can be totally transparent to a \textit{p}-polarized obliquely incident electromagnetic wave. High transparency is achieved due to the interference of the evanescent waves in the subcritical region. The transmission coefficient has the resonant character due to the excitation of a plasma surface mode (plasmon-polariton). It is crucial that two evanescent waves have certain phase shift to provide non-zero energy flux through non-transparent region. The required phase shift is obtained at the exact resonance and corresponds to the absolute transparency. In a warm plasma case, the excitation of the propagating longitudinal (electrostatic) modes becomes possible. We demonstrate that these longitudinal excitations facilitate the total transparency of an opaque plasma slab creating additional resonances in the transmission property of the system.
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"abstract": "It is shown that an overcritical density plasma slab can be totally\ntransparent to a \\textit{p}-polarized obliquely incident electromagnetic wave.\nHigh transparency is achieved due to the interference of the evanescent waves\nin the subcritical region. The transmission coefficient has the resonant\ncharacter due to the excitation of a plasma surface mode (plasmon-polariton).\nIt is crucial that two evanescent waves have certain phase shift to provide\nnon-zero energy flux through non-transparent region. The required phase shift\nis obtained at the exact resonance and corresponds to the absolute\ntransparency. In a warm plasma case, the excitation of the propagating\nlongitudinal (electrostatic) modes becomes possible. We demonstrate that these\nlongitudinal excitations facilitate the total transparency of an opaque plasma\nslab creating additional resonances in the transmission property of the system.",
"arxiv_id": "physics/0607125",
"authors": [
"E. Fourkal",
"I. Velchev",
"C-M. Ma",
"A. Smolyakov"
],
"categories": [
"physics.plasm-ph",
"physics.optics"
],
"doi": "10.1063/1.2354574",
"title": "Evanescent wave interference and the total transparency of a warm high-density plasma slab",
"url": "https://arxiv.org/abs/physics/0607125"
},
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