Diagnostics of the ITER neutral beam test facility

The ITER heating neutral beam (HNB) injector, based on negative ions accelerated at 1 MV, will be tested and optimized in the SPIDER source and MITICA full injector prototypes, using a set of diagnostics not available on the ITER HNB. The RF source, where the H − /D − production is enhanced by cesiu...

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Bibliographic Details
Published in:Review of scientific instruments 2012-02, Vol.83 (2), p.02B103-02B103-4
Main Authors: Pasqualotto, R., Serianni, G., Sonato, P., Agostini, M., Brombin, M., Croci, G., Dalla Palma, M., De Muri, M., Gazza, E., Gorini, G., Pomaro, N., Rizzolo, A., Spolaore, M., Zaniol, B.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ABSORPTION SPECTROSCOPY
Beams (radiation)
CALORIMETERS
Calorimetry
CESIUM
DEUTERIUM IONS
Diagnostic systems
ELECTROSTATIC PROBES
EMISSION SPECTROSCOPY
Heating
HYDROGEN IONS 1 MINUS
Injectors
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ITER TOKAMAK
LASERS
Neutral beams
NEUTRONS
PLASMA DIAGNOSTICS
PLASMA HEATING
Short pulses
TEST FACILITIES
THERMOCOUPLES
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Summary:The ITER heating neutral beam (HNB) injector, based on negative ions accelerated at 1 MV, will be tested and optimized in the SPIDER source and MITICA full injector prototypes, using a set of diagnostics not available on the ITER HNB. The RF source, where the H − /D − production is enhanced by cesium evaporation, will be monitored with thermocouples, electrostatic probes, optical emission spectroscopy, cavity ring down, and laser absorption spectroscopy. The beam is analyzed by cooling water calorimetry, a short pulse instrumented calorimeter, beam emission spectroscopy, visible tomography, and neutron imaging. Design of the diagnostic systems is presented.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.3662017