Cusp electron gun with modulation electrode for a THz gyro-amplifier

Liang Zhang; Craig R. Donaldson; Wenlong He; Alan D. R. Phelps; Adrian W. Cross

doi:10.1109/IRMMW-THz.2019.8874517

Cusp electron gun with modulation electrode for a THz gyro-amplifier

Liang Zhang, Craig R. Donaldson, Wenlong He, Alan D. R. Phelps, Adrian W. Cross

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

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Abstract

A terahertz gyrotron traveling wave amplifier (gyro-TWA) centered at 370GHz is under development for the electron paramagnetic resonance (EPR) imaging application. This paper reports the investigation of a triode-type cusp electron gun for the terahertz gyro-TWA. The simulation results showed that at the beam alpha (the ratio of transverse to axial velocity) center of 1.07, an optimal alpha spread of ∼ 10\% was achieved, when it was operated at a beam voltage of 50 kV and a beam current of 0.35 A.

Original language	English
Title of host publication	44th International Conference on Infrared, Millimeter, and Terahertz Waves
Place of Publication	Piscataway, NJ
Publisher	IEEE
Number of pages	2
ISBN (Electronic)	9781538682852
DOIs	https://doi.org/10.1109/IRMMW-THz.2019.8874517
Publication status	E-pub ahead of print - 21 Oct 2019
Event	44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019 - Paris, France Duration: 1 Sept 2019 → 6 Sept 2019

Conference

Conference	44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019
Country/Territory	France
City	Paris
Period	1/09/19 → 6/09/19

Keywords

gyro-amplifier
cusp electron gun
cusp gun
THz
modulation
gyro-TWA
gyro-TWT

Access to Document

10.1109/IRMMW-THz.2019.8874517

Zhang-etal-IMTW2019-Cusp-electron-gun-with-modulation-electrode-for-a-THz-gyro-amplifierAccepted author manuscript, 148 KB

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title = "Cusp electron gun with modulation electrode for a THz gyro-amplifier",

abstract = "A terahertz gyrotron traveling wave amplifier (gyro-TWA) centered at 370GHz is under development for the electron paramagnetic resonance (EPR) imaging application. This paper reports the investigation of a triode-type cusp electron gun for the terahertz gyro-TWA. The simulation results showed that at the beam alpha (the ratio of transverse to axial velocity) center of 1.07, an optimal alpha spread of ∼ 10\% was achieved, when it was operated at a beam voltage of 50 kV and a beam current of 0.35 A.",

keywords = "gyro-amplifier, cusp electron gun, cusp gun, THz, modulation, gyro-TWA, gyro-TWT",

author = "Liang Zhang and Donaldson, {Craig R.} and Wenlong He and Phelps, {Alan D. R.} and Cross, {Adrian W.}",

note = "{\textcopyright} 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. ; 44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019 ; Conference date: 01-09-2019 Through 06-09-2019",

year = "2019",

month = oct,

day = "21",

doi = "10.1109/IRMMW-THz.2019.8874517",

language = "English",

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publisher = "IEEE",

}

Zhang, L , Donaldson, CR, He, W, Phelps, ADR & Cross, AW 2019, Cusp electron gun with modulation electrode for a THz gyro-amplifier. in 44th International Conference on Infrared, Millimeter, and Terahertz Waves., 8874517, IEEE, Piscataway, NJ, 44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019, Paris, France, 1/09/19. https://doi.org/10.1109/IRMMW-THz.2019.8874517

TY - GEN

T1 - Cusp electron gun with modulation electrode for a THz gyro-amplifier

AU - Zhang, Liang

AU - Donaldson, Craig R.

AU - He, Wenlong

AU - Phelps, Alan D. R.

AU - Cross, Adrian W.

N1 - © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

PY - 2019/10/21

Y1 - 2019/10/21

N2 - A terahertz gyrotron traveling wave amplifier (gyro-TWA) centered at 370GHz is under development for the electron paramagnetic resonance (EPR) imaging application. This paper reports the investigation of a triode-type cusp electron gun for the terahertz gyro-TWA. The simulation results showed that at the beam alpha (the ratio of transverse to axial velocity) center of 1.07, an optimal alpha spread of ∼ 10\% was achieved, when it was operated at a beam voltage of 50 kV and a beam current of 0.35 A.

AB - A terahertz gyrotron traveling wave amplifier (gyro-TWA) centered at 370GHz is under development for the electron paramagnetic resonance (EPR) imaging application. This paper reports the investigation of a triode-type cusp electron gun for the terahertz gyro-TWA. The simulation results showed that at the beam alpha (the ratio of transverse to axial velocity) center of 1.07, an optimal alpha spread of ∼ 10\% was achieved, when it was operated at a beam voltage of 50 kV and a beam current of 0.35 A.

KW - gyro-amplifier

KW - cusp electron gun

KW - cusp gun

KW - THz

KW - modulation

KW - gyro-TWA

KW - gyro-TWT

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U2 - 10.1109/IRMMW-THz.2019.8874517

DO - 10.1109/IRMMW-THz.2019.8874517

M3 - Conference contribution book

AN - SCOPUS:85074697299

BT - 44th International Conference on Infrared, Millimeter, and Terahertz Waves

PB - IEEE

CY - Piscataway, NJ

T2 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019

Y2 - 1 September 2019 through 6 September 2019

ER -

Cusp electron gun with modulation electrode for a THz gyro-amplifier

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