Measuring issues in the GEM detector system for fusion plasma imaging

Tomasz Czarski , M. Chernyshova , K. Malinowski (Instytut Fizyki Plazmy i Laserowej Mikrosyntezy) , Krzysztof Poźniak , Grzegorz Henryk Kasprowicz , Piotr Kolasiński , Rafał Krawczyk , Andrzej Wojeński , Paweł Linczuk , Wojciech Zabołotny , Axel Jardin , Dider Mazon , K. Jakubowska , G. Boutoux , F. Burgy , S. Hulin , D. Batani

Abstract

A measurement systems based on GEM (Gas Electron Multiplier) detectors is developed for X-ray diagnostics of tokamak plasmas. The multi-channel setup is designed for evaluation the X-ray source distribution in energy, space and time. The paper deals with the development of a fast analysis and elaboration of collected data, including charge cluster identification and the separation of coincided signals. The proposed algorithm can be applied iteratively for series of superimposed pulses. On-line separation of overlapped signals was implemented applying the FPGA (FPGA— Field-Programmable Gate Array) technology with relatively simple firmware processing. We demonstrate reconstruction of coinciding signals and retrieval of radiation source properties and energy spectra.
Author Tomasz Czarski - [Instytut Problemow Jadrowyc]
Tomasz Czarski,,
-
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, M. Chernyshova - [Instytut Problemow Jadrowyc]
M. Chernyshova,,
-
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, K. Malinowski (Instytut Fizyki Plazmy i Laserowej Mikrosyntezy)
K. Malinowski (Instytut Fizyki Plazmy i Laserowej Mikrosyntezy),,
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, Krzysztof Poźniak (FEIT / PE)
Krzysztof Poźniak,,
- The Institute of Electronic Systems
, Grzegorz Henryk Kasprowicz (FEIT / PE)
Grzegorz Henryk Kasprowicz,,
- The Institute of Electronic Systems
, Piotr Kolasiński (FEIT / PE)
Piotr Kolasiński,,
- The Institute of Electronic Systems
, Rafał Krawczyk (FEIT / PE)
Rafał Krawczyk,,
- The Institute of Electronic Systems
, Andrzej Wojeński (FEIT / PE)
Andrzej Wojeński,,
- The Institute of Electronic Systems
, Paweł Linczuk (FEIT / PE)
Paweł Linczuk,,
- The Institute of Electronic Systems
, Wojciech Zabołotny (FEIT / PE)
Wojciech Zabołotny,,
- The Institute of Electronic Systems
et al.`
Journal seriesJournal of Instrumentation, ISSN 1748-0221, (A 35 pkt)
Issue year2018
Vol13
No08
PagesC08001-1 - C08001-12
Publication size in sheets0.3
Keywords in EnglishData acquisition concepts; Digital signal processing (DSP); Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
ASJC Classification2610 Mathematical Physics; 3105 Instrumentation
DOIDOI:10.1088/1748-0221/13/08/C08001
URL http://iopscience.iop.org/article/10.1088/1748-0221/13/08/C08001/meta
Languageen angielski
File
Czarski_2018_J._Inst._13_C08001.pdf 2.44 MB
Score (nominal)35
Score sourcejournalList
ScoreMinisterial score = 35.0, 05-12-2019, ArticleFromJournal
Publication indicators WoS Citations = 1; Scopus Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.934; WoS Impact Factor: 2018 = 1.366 (2) - 2018=1.314 (5)
Citation count*3 (2019-12-06)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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