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Development of an ion beam detector for the atomic beam probe diagnostic
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SYSNO ASEP 0498182 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Development of an ion beam detector for the atomic beam probe diagnostic Author(s) Háček, Pavel (UFP-V) RID, ORCID
Berta, Miklós (UFP-V)
Anda, G. (HU)
Aradi, M. (AT)
Bencze, A. (HU)
Dunai, D. (HU)
Krbec, Jaroslav (UFP-V)
Pánek, Radomír (UFP-V) RID
Refy, D.I. (HU)
Stöckel, Jan (UFP-V) RID
Weinzettl, Vladimír (UFP-V) RID, ORCID
Zoletnik, S. (HU)Number of authors 12 Article number 113506 Source Title Review of Scientific Instruments. - : AIP Publishing - ISSN 0034-6748
Roč. 89, č. 11 (2018)Number of pages 10 s. Language eng - English Country US - United States Keywords ABP ; COMPASS ; Li-beam Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects GA16-25074S GA ČR - Czech Science Foundation (CSF) LM2015045 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFP-V - RVO:61389021 UT WOS 000451735700032 EID SCOPUS 85056787972 DOI 10.1063/1.5044529 Annotation The atomic beam probe diagnostic concept aims at measuring the edge magnetic field and through that edge current distribution in fusion plasmas by observing trajectories of an ion beam stemming from a diagnostic neutral beam. The diagnostic potentially has microsecond scale time resolution and can thus prove to be a powerful option to study fast changes in the edge plasma. A test detector has been installed on the COMPASS tokamak as an extension of the existing lithium beam diagnostic system. It employs a relatively simple concept of an array of conductive detection plates measuring the incident ion current, which is then amplified and converted to a voltage signal. The aim of the test detector is to experimentally examine the idea of the diagnostic and provide background data for design and installation of a final detector. Also, a numerical code based on the CUDA parallel computing platform has been developed for modeling lithium ion trajectories in the given COMPASS plasma discharges. We present the developments of the detector design and test measurements of the diagnostic performed both in a laboratory beam system and on the COMPASS tokamak. Published by AIP Publishing Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2019 Electronic address https://aip.scitation.org/doi/10.1063/1.5044529
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