Magnetic-confinement fusion

J Ongena, R Koch, R Wolf, H Zohm - Nature Physics, 2016 - nature.com
Our modern society requires environmentally friendly solutions for energy production.
Energy can be released not only from the fission of heavy nuclei but also from the fusion of …

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 …

[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 …

Nonlinear decay of high-power microwaves into trapped modes in inhomogeneous plasma

A Tancetti, SK Nielsen, J Rasmussen… - Nuclear …, 2022 - iopscience.iop.org
We present novel experimental evidence of parametric decay instability of microwave
beams in the plasma edge of the Wendelstein 7-X stellarator. We propose that the instability …

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 …

The targeted heating and current drive applications for the ITER electron cyclotron system

M Henderson, G Saibene, C Darbos, D Farina… - Physics of …, 2015 - pubs.aip.org
A 24 MW Electron Cyclotron (EC) system operating at 170 GHz and 3600 s pulse length is to
be installed on ITER. The EC plant shall deliver 20 MW of this power to the plasma for …

On recent results in the modelling of neoclassical-tearing-mode stabilization via electron cyclotron current drive and their impact on the design of the upper EC …

E Poli, C Angioni, FJ Casson, D Farina, L Figini… - Nuclear …, 2015 - iopscience.iop.org
Electron cyclotron wave beams injected from a launcher placed in the upper part of the
vessel will be used in ITER to control MHD instabilities, in particular neoclassical tearing …

Diamond window technology for electron cyclotron heating and current drive: State of the art

G Aiello, T Scherer, K Avramidis, N Casal… - Fusion Science and …, 2019 - Taylor & Francis
Nuclear fusion power plants require electron cyclotron (EC) heating and current drive
(H&CD) systems for plasma heating and stabilization. High-power microwave beams …

Quantifying electron cyclotron power deposition broadening in DIII-D and the potential consequences for the ITER EC system

JH Slief, RJR van Kampen, MW Brookman… - Nuclear …, 2023 - iopscience.iop.org
The injection of electron cyclotron (EC) waves fulfills a number of important tasks in nuclear
fusion devices for which detailed knowledge of the spatial power deposition profile is critical …

Nanoscale surface roughness effects on THz vacuum electron device performance

D Gamzina, H Li, L Himes, R Barchfeld… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
Vacuum electron devices are the most promising solution for the generation of watt-level
power at millimeter wave and terahertz frequencies. However, the three-dimensional nature …