Influence of plasma grid-masking on the results of early SPIDER operation
SPIDER is the prototype negative ion source of the heating neutral beam injectors for ITER.
As required by the ITER injector design, the SPIDER beam source is entirely contained …
As required by the ITER injector design, the SPIDER beam source is entirely contained …
Improvement of SPIDER diagnostic systems
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Characterization of cesium and H−/D− density in the negative ion source SPIDER
M Barbisan, R Agnello, L Baldini, G Casati… - Fusion Engineering and …, 2023 - Elsevier
Abstract The Heating Neutral Beam Injectors (HNBs) for ITER will have to deliver 16.7 MW
beams of H/D particles at 1 MeV energy. The beams will be produced from H−/D− ions …
beams of H/D particles at 1 MeV energy. The beams will be produced from H−/D− ions …
Optimizing the ITER NBI ion source by dedicated RF driver test stand
I Mario, A Pimazzoni, E Sartori… - Journal of Physics …, 2024 - iopscience.iop.org
The experimental fusion reactor ITER will feature two (or three) heating neutral beam
injectors (NBI) capable of delivering 33 (or 50) MW of power into the plasma. A NBI consists …
injectors (NBI) capable of delivering 33 (or 50) MW of power into the plasma. A NBI consists …
Phase-space characterization of negative ion beams for fusion
In ion sources of neutral beam injectors (NBIs) for fusion, multi-grid, multi-aperture
accelerators are used. Accelerators are typically optimized by numerical tools, usually taking …
accelerators are used. Accelerators are typically optimized by numerical tools, usually taking …
Status of SPIDER beam source after the first 3.5 years of operation
M Pavei, C Gasparrini, G Berton, M Agostini… - Fusion Engineering and …, 2023 - Elsevier
SPIDER is the negative ion source testbed for ITER neutral beam injector. It is currently the
largest negative ion source ever built, equipped with a 100 keV accelerator, aiming at …
largest negative ion source ever built, equipped with a 100 keV accelerator, aiming at …
Study on stray electrons ejecting from a long-pulse negative ion source for fusion
Y Yang, J Wei, Y Gu, Y Xie, C Hu - Plasma Physics and …, 2024 - iopscience.iop.org
The negative ion based neutral beam injection is a desirable plasma heating and current
drive method for the large-scale magnetic fusion devices. Due to the strict requirements and …
drive method for the large-scale magnetic fusion devices. Due to the strict requirements and …
Engineering design and manufacturing of a radio frequency plasma driver without Faraday shield for NBI application
Y Gu, J Wei, Y Xie, C Jiang, Y Xie, C Hu - Fusion Engineering and Design, 2024 - Elsevier
A radio frequency (RF) driven ion source is favorable for high-power and long-pulse neutral
beam injection (NBI) system. To reduce the damage caused by the isotropic heat and …
beam injection (NBI) system. To reduce the damage caused by the isotropic heat and …
Plasma discharge experiments of a Faraday shieldless driver for high-power and long-pulse radio frequency ion source for NBI application
B Liu, X Peng, Y Gu, Y Yang, Y Li, C Jiang… - Review of Scientific …, 2024 - pubs.aip.org
Due to the high stability and less maintenance, the radio frequency (RF) driven ion source is
preferred for the neutral beam injection (NBI) system. In a popular design of the RF ion …
preferred for the neutral beam injection (NBI) system. In a popular design of the RF ion …
Summary of caesium evaporation and deposition during SPIDER first campaign
SPIDER (Source for the Production of Ions of Deuterium Extracted from a Radio frequency
plasma) is currently in a major shutdown period dedicated to the upgrade of several …
plasma) is currently in a major shutdown period dedicated to the upgrade of several …