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Bunch radiation from a semi-infinite waveguide with dielectric filling inside a waveguide with larger radius. / Galyamin, S. N.; Tyukhtin, A. V.; Vorobev, V. V.; Aryshev, A.

In: Journal of Instrumentation, Vol. 13, No. 2, C02012, 07.02.2018.

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@article{9baa969753064545b1acc007878af3f2,
title = "Bunch radiation from a semi-infinite waveguide with dielectric filling inside a waveguide with larger radius",
abstract = "We consider a point charge and Gaussian bunch of charged particles moving along the axis of a circular perfectly conducting pipe with uniform dielectric filling and open end. It is supposed that this semi-infinite waveguide is located in collinear infinite vacuum pipe with perfectly conducting walls and larger diameter. We deal with two cases corresponding to the open end of the inner waveguide with and without flange. Radiation produced by a charge or bunch flying from dielectric part to wide vacuum part is analyzed. We use modified residue-calculus technique and construct rigorous analytical theory describing scattered field in each sub-area of the structure. Cherenkov radiation generated in the dielectric waveguide and penetrating into the vacuum regions of the structure is of main interest throughout the present paper. We show that this part of radiation can be easily analyzed using the presented formalism. We also perform numerical simulation in CST PS code and verify the analytical results.",
keywords = "Cherenkov and transition radiation, Wake-field acceleration (laser-driven electrondriven), OPEN-END, Wake-field acceleration (laser-driven, electron-driven)",
author = "Galyamin, {S. N.} and Tyukhtin, {A. V.} and Vorobev, {V. V.} and A. Aryshev",
year = "2018",
month = feb,
day = "7",
doi = "10.1088/1748-0221/13/02/C02012",
language = "English",
volume = "13",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "IOP Publishing Ltd.",
number = "2",

}

RIS

TY - JOUR

T1 - Bunch radiation from a semi-infinite waveguide with dielectric filling inside a waveguide with larger radius

AU - Galyamin, S. N.

AU - Tyukhtin, A. V.

AU - Vorobev, V. V.

AU - Aryshev, A.

PY - 2018/2/7

Y1 - 2018/2/7

N2 - We consider a point charge and Gaussian bunch of charged particles moving along the axis of a circular perfectly conducting pipe with uniform dielectric filling and open end. It is supposed that this semi-infinite waveguide is located in collinear infinite vacuum pipe with perfectly conducting walls and larger diameter. We deal with two cases corresponding to the open end of the inner waveguide with and without flange. Radiation produced by a charge or bunch flying from dielectric part to wide vacuum part is analyzed. We use modified residue-calculus technique and construct rigorous analytical theory describing scattered field in each sub-area of the structure. Cherenkov radiation generated in the dielectric waveguide and penetrating into the vacuum regions of the structure is of main interest throughout the present paper. We show that this part of radiation can be easily analyzed using the presented formalism. We also perform numerical simulation in CST PS code and verify the analytical results.

AB - We consider a point charge and Gaussian bunch of charged particles moving along the axis of a circular perfectly conducting pipe with uniform dielectric filling and open end. It is supposed that this semi-infinite waveguide is located in collinear infinite vacuum pipe with perfectly conducting walls and larger diameter. We deal with two cases corresponding to the open end of the inner waveguide with and without flange. Radiation produced by a charge or bunch flying from dielectric part to wide vacuum part is analyzed. We use modified residue-calculus technique and construct rigorous analytical theory describing scattered field in each sub-area of the structure. Cherenkov radiation generated in the dielectric waveguide and penetrating into the vacuum regions of the structure is of main interest throughout the present paper. We show that this part of radiation can be easily analyzed using the presented formalism. We also perform numerical simulation in CST PS code and verify the analytical results.

KW - Cherenkov and transition radiation

KW - Wake-field acceleration (laser-driven electrondriven)

KW - OPEN-END

KW - Wake-field acceleration (laser-driven, electron-driven)

UR - http://www.scopus.com/inward/record.url?scp=85043449450&partnerID=8YFLogxK

U2 - 10.1088/1748-0221/13/02/C02012

DO - 10.1088/1748-0221/13/02/C02012

M3 - Article

AN - SCOPUS:85043449450

VL - 13

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 2

M1 - C02012

ER -

ID: 18197196