Influence of plasma grid-masking on the results of early SPIDER operation

E Sartori, V Candeloro, M Fadone, A Pimazzoni… - Fusion Engineering and …, 2023 - Elsevier
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 …

ITER NBI operational window and power availability constraints due to shine-through losses

P Vincenzi, M Schneider, P Veltri, JF Artaud… - Nuclear …, 2025 - iopscience.iop.org
This paper explores the operational boundaries and power availability of the neutral beam
injection (NBI) system in ITER, with a specific focus on shine-through loss prevention. Shine …

[HTML][HTML] Integration of new sets of magnets for improved plasma confinement in the SPIDER experiment

N Marconato, G Berton, V Candeloro, E Sartori… - Fusion Engineering and …, 2023 - Elsevier
SPIDER is the full-scale prototype of the plasma source of the negative-ion driven neutral
beam injector for the heating and current drive of the ITER plasma. The uniqueness and …

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 …

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 …

Improvement of SPIDER diagnostic systems

R Pasqualotto, E Sartori, R Agnello, M Brombin… - Fusion Engineering and …, 2023 - Elsevier
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Correlation of source parameters and beam properties in the early operation of the full size ITER negative ion beam source

M Ugoletti, M Agostini, C Poggi, E Sartori… - Nuclear …, 2024 - iopscience.iop.org
One of the requirements of Heating and current drive Neutral Beam injectors for ITER is a
beam homogeneity greater than 90%, to achieve an optimal beam transmission while …

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 …

Highlights of recent SPIDER results and improvements

E Sartori, R Agnello, M Agostini… - Journal of …, 2023 - iopscience.iop.org
Three years of experiments on SPIDER allowed characterization of the main features of the
source plasma and of the negative ion beam, in the original design configuration. For the …

The passive core snubber based on Fe-based amorphous alloy for− 400 kV negative ion based neutral beam injector of comprehensive research facility for fusion …

B Liu, Z Liu, C Jiang, S Liu, J Pan, S Chen… - Review of Scientific …, 2025 - pubs.aip.org
Comprehensive Research Facility for Fusion Technology (CRAFT) is a technology
development and validation platform for fusion technology in China. Neutral beam injection …