A review of diagnostic techniques for high-intensity negative ion sources

K Tsumori, M Wada - Applied Physics Reviews, 2021 - pubs.aip.org
Plasma and beam diagnostic methods for high-current-density negative ion sources are
reviewed. The pulse laser–induced photodetachment method was widely used to measure …

Negative ion density in the ion source SPIDER in Cs free conditions

M Barbisan, R Agnello, G Casati… - Plasma Physics and …, 2022 - iopscience.iop.org
The SPIDER experiment, operated at the Neutral Beam Test Facility of Consorzio RFX,
Padua, hosts the prototype of the H−/D− ion source for the ITER neutral beam injectors. The …

Achievement of the ITER NBI ion source parameters for hydrogen at the test facility ELISE and present Status for deuterium

U Fantz, D Wünderlich, R Riedl, B Heinemann… - Fusion Engineering and …, 2020 - Elsevier
The ELISE test facility, being in operation since 2013, with its half-size ITER ion source
accompanies the ITER NBI development program. Besides consolidation of the ion source …

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 …

Development and first operation of a cavity ring down spectroscopy diagnostic in the negative ion source SPIDER

M Barbisan, R Pasqualotto, R Agnello… - Review of Scientific …, 2021 - pubs.aip.org
The neutral beam injectors of the ITER experiment will rely on negative ion sources to
produce 16.7 MW beams of H/D particles accelerated at 1 MeV. The prototype of these …

Design and first results of a retractable 1D-CFC beam target for BATMAN upgrade

G Orozco, F Bonomo, N den Harder… - Fusion Engineering and …, 2021 - Elsevier
BATMAN Upgrade (BUG) is a test facility for the production of negative ion beams from an
RF driven plasma ion source devoted to supporting the development of the ITER Neutral …

[HTML][HTML] Long-pulse diagnostic calorimeter for the negative ion source testbed BATMAN upgrade

R Nocentini, F Bonomo, B Heinemann… - Review of Scientific …, 2021 - pubs.aip.org
The RF-driven negative ion source testbed BATMAN upgrade is being developed at IPP
Garching in the framework of the ion source development for ITER and DEMO neutral beam …

Nonuniform plasma meniscus modelling based on backward calculation of negative ion beamlet

M Kisaki, K Nagaoka, JH Slief, Y Haba… - Nuclear …, 2022 - iopscience.iop.org
The shape of a plasma meniscus is a key factor to determine the beam focusing. The
physics model of the meniscus formation for hydrogen negative ion sources has not been …

[PDF][PDF] On the vertical uniformity of an ITER-like large beam

F Bonomo, I Mario, D Wünderlich… - Fusion Engineering and …, 2020 - pure.mpg.de
The ELISE test facility, equipped with an ITER-like multi-aperture 3-grid system, produces
large ITER-like beams, with half the size in vertical direction. Due to the distance of the beam …

Characterization of Cs-free negative ion production in the ion source SPIDER by cavity ring-down spectroscopy

M Barbisan, R Agnello, G Casati… - Journal of …, 2022 - iopscience.iop.org
The neutral beam injectors of the ITER experiment will be based on negative ion sources for
the generation of beams composed by 1 MeV H/D particles. The prototype of these sources …