Spatially resolved diagnostics for optimization of large ion beam sources
Giant negative ion sources for neutral beam injectors deliver huge negative ion currents,
thanks to their multi-beamlet configuration. As the single-beamlet optics defines the …
thanks to their multi-beamlet configuration. As the single-beamlet optics defines the …
SPIDER, the negative ion source prototype for ITER: overview of operations and cesium injection
An overview of the recent operations and the main results of cesium injection in the Source
for the Production of Ions of Deuterium Extracted from Rf plasma (SPIDER) negative ion …
for the Production of Ions of Deuterium Extracted from Rf plasma (SPIDER) negative ion …
EUROfusion contributions to ITER nuclear operation
ITER is of key importance in the European fusion roadmap as it aims to prove the scientific
and technological feasibility of fusion as a future energy source. The EUROfusion …
and technological feasibility of fusion as a future energy source. The EUROfusion …
Lessons learned after three years of SPIDER operation and the first MITICA integrated tests
ITER envisages the use of two heating neutral beam injectors plus an optional one as part of
the auxiliary heating and current drive system, to reach the desired performances during its …
the auxiliary heating and current drive system, to reach the desired performances during its …
Contributions of the extended ELISE and BATMAN Upgrade test facilities to the roadmap towards ITER NBI
U Fantz, D Wünderlich, C Wimmer, M Barnes… - Nuclear …, 2024 - iopscience.iop.org
ITER's NBI systems are a first of its kind system with very challenging targets for the RF-
driven ion source and the acceleration stage. In a step ladder approach, the ion source test …
driven ion source and the acceleration stage. In a step ladder approach, the ion source test …
An integration design model for a large-scale negative ion accelerator of neutral beam injection system for fusion application
JL Wei, YW Yang, YM Gu, QL Cui, LZ Liang… - Physics of …, 2023 - pubs.aip.org
Design processes of a large-scale negative ion accelerator for neutral beam injection (NBI)
application involve a series of physics and engineering issues, which include high voltage …
application involve a series of physics and engineering issues, which include high voltage …
The negative beam source with single driver for CRAFT NNBI: design and conditioning results
YH **e, JL Wei, YM Gu, YJ Xu, LZ Liang… - Journal of …, 2023 - iopscience.iop.org
Abstract The Comprehensive Research Facility for Fusion Technology (CRAFT) is a large
scientific facility that is preferentially deployed for the construction of major national science …
scientific facility that is preferentially deployed for the construction of major national science …
Beam optics Of RF ion sources in view Of ITER'S NBI systems
N den Harder, M Barnes, B Heinemann… - Nuclear …, 2024 - iopscience.iop.org
A low beamlet divergence is crucial for the efficiency of the ITER-NBI systems, since it affects
the transmission of the beam through the duct. There is a requirement of 7 mrad e-folding …
the transmission of the beam through the duct. There is a requirement of 7 mrad e-folding …
Design of a large nonevaporable getter pump for the full size ITER beam source prototype
An improvement for the vacuum system of the multidriver radio frequency (RF) prototype
negative ion source SPIDER has been developed, to allow operating at high RF power …
negative ion source SPIDER has been developed, to allow operating at high RF power …
Langmuir probes as a tool to investigate plasma uniformity in a large negative ion source
The Source for the Production of Ions of Deuterium Extracted from an RF plasma (SPIDER)
experiment is the full-size test-bed of the negative ion sources of ITER neutral beams. It aims …
experiment is the full-size test-bed of the negative ion sources of ITER neutral beams. It aims …