Due to the International Thermonuclear Experimental Reactor (ITER) radiative environment, in particular during high D–T power phase, classic x-ray detectors, such as semiconductor diodes, might be too fragile and are thus not viable. Instead, robust detectors, such as gas-filled detectors, are nowadays considered. The Low Voltage Ionization Chamber (LVIC) is one of the most promising candidates for x-ray measurement during the ITER nuclear phase. A complete model of the detector, recently developed at IRFM (Intitute for Research on Magnetic Fusion), now requires experimental validation. Experimental testing at the IRFM laboratory of an ITER industrial LVIC prototype and comparison with modeling are presented. In particular, an original approach to extract information on the x-ray spectrum from current-mode LVIC measurement is validated experimentally.
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November 2022
Research Article|
November 15 2022
Using low voltage ionization chamber (LVIC) in current mode for energy spectrum reconstruction: Experiments and validation
D. Mazon
;
D. Mazon
a)
(Conceptualization, Formal analysis, Methodology, Supervision, Writing – original draft)
1
CEA, IRFM
, F-13108 Saint-Paul-lez-Durance, France
a)Author to whom correspondence should be addressed: didier.mazon@cea.fr
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D. Colette
;
D. Colette
(Conceptualization, Software, Writing – review & editing)
2
ITER Organization
, Route de Vinon sur Verdon, CS 90 046, 13067 Saint-Paul-lez Durance Cedex, France
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E. Soudet;
E. Soudet
(Software, Validation)
3
ENSI CAEN
, 6 Boulevard Maréchal Juin, 14000 Caen, France
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P. Malard;
P. Malard
(Data curation)
1
CEA, IRFM
, F-13108 Saint-Paul-lez-Durance, France
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M. Walsh;
M. Walsh
(Writing – review & editing)
2
ITER Organization
, Route de Vinon sur Verdon, CS 90 046, 13067 Saint-Paul-lez Durance Cedex, France
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M. Moreau;
M. Moreau
(Data curation)
1
CEA, IRFM
, F-13108 Saint-Paul-lez-Durance, France
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A. Jardin
A. Jardin
(Validation, Writing – review & editing)
4
Institute of Nuclear Physics Polish Academy of Sciences (IFJ PAN)
, PL-31-342 Krakow, Poland
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a)Author to whom correspondence should be addressed: didier.mazon@cea.fr
Rev. Sci. Instrum. 93, 113544 (2022)
Article history
Received:
June 23 2022
Accepted:
October 19 2022
Citation
D. Mazon, D. Colette, E. Soudet, P. Malard, M. Walsh, M. Moreau, A. Jardin; Using low voltage ionization chamber (LVIC) in current mode for energy spectrum reconstruction: Experiments and validation. Rev. Sci. Instrum. 1 November 2022; 93 (11): 113544. https://doi.org/10.1063/5.0105345
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