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Cherenkov-transition radiation in a waveguide partly filled with a resonance dispersion medium. / Alekhina, T.Y.; Tyukhtin, A.V.; Grigoreva, A.A.

в: Physical Review Special Topics - Accelerators and Beams, Том 18, № 9, 091302, 2015.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{dd4ddc3858e845e88a317a24c10f986a,
title = "Cherenkov-transition radiation in a waveguide partly filled with a resonance dispersion medium",
abstract = "We analyze the electromagnetic field of a charged particle that uniformly moves in a circular waveguide and crosses a boundary between a dielectric medium, which possesses frequency dispersion of a resonant type, and a vacuum area. The investigation of the waveguide mode components is analytically and numerically performed. It is shown that Cherenkov radiation (CR) can penetrate through the boundary, and Cherenkov-transition radiation (CTR) can be excited in the vacuum region. The conditions for this effect are obtained. It is shown that the CTR can be composed of a single mode (compared with the CTR in a nondispersive dielectric, which is multimode). The amplitude of the CTR is comparable to the amplitudeof CR in an extensive range of parameters. The considered effect can be used to generate intense quasimonochromatic radiation.",
author = "T.Y. Alekhina and A.V. Tyukhtin and A.A. Grigoreva",
year = "2015",
doi = "10.1103/PhysRevSTAB.18.091302",
language = "English",
volume = "18",
journal = "Physical Review Special Topics - Accelerators and Beams",
issn = "1098-4402",
publisher = "American Physical Society",
number = "9",

}

RIS

TY - JOUR

T1 - Cherenkov-transition radiation in a waveguide partly filled with a resonance dispersion medium

AU - Alekhina, T.Y.

AU - Tyukhtin, A.V.

AU - Grigoreva, A.A.

PY - 2015

Y1 - 2015

N2 - We analyze the electromagnetic field of a charged particle that uniformly moves in a circular waveguide and crosses a boundary between a dielectric medium, which possesses frequency dispersion of a resonant type, and a vacuum area. The investigation of the waveguide mode components is analytically and numerically performed. It is shown that Cherenkov radiation (CR) can penetrate through the boundary, and Cherenkov-transition radiation (CTR) can be excited in the vacuum region. The conditions for this effect are obtained. It is shown that the CTR can be composed of a single mode (compared with the CTR in a nondispersive dielectric, which is multimode). The amplitude of the CTR is comparable to the amplitudeof CR in an extensive range of parameters. The considered effect can be used to generate intense quasimonochromatic radiation.

AB - We analyze the electromagnetic field of a charged particle that uniformly moves in a circular waveguide and crosses a boundary between a dielectric medium, which possesses frequency dispersion of a resonant type, and a vacuum area. The investigation of the waveguide mode components is analytically and numerically performed. It is shown that Cherenkov radiation (CR) can penetrate through the boundary, and Cherenkov-transition radiation (CTR) can be excited in the vacuum region. The conditions for this effect are obtained. It is shown that the CTR can be composed of a single mode (compared with the CTR in a nondispersive dielectric, which is multimode). The amplitude of the CTR is comparable to the amplitudeof CR in an extensive range of parameters. The considered effect can be used to generate intense quasimonochromatic radiation.

U2 - 10.1103/PhysRevSTAB.18.091302

DO - 10.1103/PhysRevSTAB.18.091302

M3 - Article

VL - 18

JO - Physical Review Special Topics - Accelerators and Beams

JF - Physical Review Special Topics - Accelerators and Beams

SN - 1098-4402

IS - 9

M1 - 091302

ER -

ID: 3948120