State-of-the-art of high-power gyro-devices and free electron masers

M Thumm - Journal of Infrared, Millimeter, and Terahertz Waves, 2020 - Springer
This paper presents a review of the experimental achievements related to the development
of high-power gyrotron oscillators for long-pulse or CW operation and pulsed gyrotrons for …

First experimental tests of powerful 250 GHz gyrotron for future fusion research and collective Thomson scattering diagnostics

GG Denisov, MY Glyavin, AP Fokin, AN Kuftin… - Review of Scientific …, 2018 - pubs.aip.org
A 250 GHz continuous-wave (CW) gyrotron has been developed at the IAP RAS jointly with
GYCOM Ltd., as a prototype of the microwave source for the envisaged prospective nuclear …

Broadband amplification of low-terahertz signals using axis-encircling electrons in a helically corrugated interaction region

W He, CR Donaldson, L Zhang, K Ronald… - Physical Review Letters, 2017 - APS
Experimental results are presented of a broadband, high power, gyrotron traveling wave
amplifier (gyro-TWA) operating in the (75–110)-GHz frequency band and based on a …

[图书][B] State-of-the-Art of High Power Gyro-Devices and Free Electron Masers. Update 2017 (KIT Scientific Reports; 7750)

M Thumm - 2018 - books.google.com
Gyrotron oscillators (gyromonotrons) are mainly used as high power millimeter wave
sources for electron cyclotron resonance heating (ECRH), electron cyclotron current drive …

State-of-the-art of high power gyro-devices and free electron masers. Update 2015

M Thumm - 2016 - uplopen.com
Gyrotron oscillators (gyromonotrons) are mainly used as high power millimeter wave
sources for electron cyclotron resonance heating (ECRH), electron cyclotron current drive …

Recent progress in the upgrade of the TCV EC-system with two 1MW/2s dual-frequency (84/126GHz) gyrotrons

S Alberti, J Genoud, T Goodman… - EPJ Web of …, 2017 - epj-conferences.org
The upgrade of the EC-system of the TCV tokamak has entered in its realization phase and
is part of a broader upgrade of TCV. The MW-class dual-frequency gyrotrons (84 or …

KIT coaxial gyrotron development: from ITER toward DEMO

S Ruess, KA Avramidis, M Fuchs… - International Journal of …, 2018 - cambridge.org
Karlsruhe Institute of Technology (KIT) is doing research and development in the field of
megawatt-class radio frequency (RF) sources (gyrotrons) for the Electron Cyclotron …

Experiment and Power Capacity Investigation of Collector in the 50-kW-Average-Power Q-Band Gyro-TWT

W Jiang, C Lu, B Han, G Liu, J Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
To further increase the average output power of the-band gyrotron traveling wave tube (gyro-
TWT), the power capacity and stability of the collector are investigated. In this article, the …

[图书][B] State-of-the-Art of High-Power Gyro-Devices: Update of Experimental Results 2023

M Thumm - 2024 - library.oapen.org
This report presents an update of the experimental achievements published in the review
“State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers”, Journal of Infrared …

Overview on recent progress in magnetron injection gun theory and design for high power gyrotrons

I Pagonakis, S Alberti, K Avramidis… - EPJ Web of …, 2019 - epj-conferences.org
The magnetron injection gun (MIG) is one of the most critical subcomponents in gyrotrons.
The electron beam, which has the primary role on the gyrotron operation, is generated and …