On line separation of overlapped signals from multi-time photons for the GEM-based detection system

T. Czarski; K. T. Pozniak; M. Chernyshova; K. Malinowski; G. Kasprowicz; P. Kolasinski; R. Krawczyk; A. Wojenski; W. Zabolotny

doi:10.1117/12.2205804

11 September 2015 On line separation of overlapped signals from multi-time photons for the GEM-based detection system

T. Czarski, K. T. Pozniak, M. Chernyshova, K. Malinowski, G. Kasprowicz, P. Kolasinski, R. Krawczyk, A. Wojenski, W. Zabolotny

Author Affiliations +

Proceedings Volume 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015; 96622W (2015) https://doi.org/10.1117/12.2205804
Event: XXXVI Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (Wilga 2015), 2015, Wilga, Poland

Abstract

The Triple Gas Electron Multiplier (T-GEM) is presented as soft X-ray (SXR) energy and position sensitive detector for high-resolution X-ray diagnostics of magnetic confinement fusion plasmas. Multi-channel measurement system and serial data acquisition for X-ray energy and position recognition is described. Fundamental characteristics are presented for two dimensional detector structure. Typical signals of ADC – Analog to Digital Converter are considered for charge value and position estimation. Coinciding signals for high flux radiation cause the problem for cluster charge identification. The amplifier with shaper determines time characteristics and limits the pulses frequency. Separation of coincided signals was introduced and verified for simulation experiments. On line separation of overlapped signals was implemented applying the FPGA technology with relatively simple firmware procedure. Representative results for reconstruction of coinciding signals are demonstrated.

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T. Czarski, K. T. Pozniak, M. Chernyshova, K. Malinowski, G. Kasprowicz, P. Kolasinski, R. Krawczyk, A. Wojenski, and W. Zabolotny "On line separation of overlapped signals from multi-time photons for the GEM-based detection system", Proc. SPIE 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015, 96622W (11 September 2015); https://doi.org/10.1117/12.2205804

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