Fast ADC based multichannel acquisition system for the GEM detector

G. Kasprowicz; T. Czarski; M. Chernyshova; W. Dominik; K. Jakubowska; L. Karpinski; K. Kierzkowski; K. Pozniak; J. Rzadkiewicz; M. Scholz; W. Zabolotny

doi:10.1117/12.2000211

15 October 2012 Fast ADC based multichannel acquisition system for the GEM detector

G. Kasprowicz, T. Czarski, M. Chernyshova, W. Dominik, K. Jakubowska, L. Karpinski, K. Kierzkowski, K. Pozniak, J. Rzadkiewicz, M. Scholz, W. Zabolotny

Author Affiliations +

Proceedings Volume 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012; 84540M (2012) https://doi.org/10.1117/12.2000211
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 2012, Wilga, Poland

Abstract

A novel approach to the Gas Electron Multiplier¹ (GEM) detector readout is presented. Unlike commonly used methods, based on discriminators, and analogue FIFOs,[ the method developed uses simultaneously sampling high speed ADCs and advanced FPGA-based processing logic to estimate the energy of every single photon. Such method is applied to every GEM strip signal. It is especially useful in case of crystal-based spectrometers for soft X-rays, where higher order reflections need to be identified and rejected. For the purpose of the detector readout, a novel conception of the measurement platform was developed.

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G. Kasprowicz, T. Czarski, M. Chernyshova, W. Dominik, K. Jakubowska, L. Karpinski, K. Kierzkowski, K. Pozniak, J. Rzadkiewicz, M. Scholz, and W. Zabolotny "Fast ADC based multichannel acquisition system for the GEM detector", Proc. SPIE 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 84540M (15 October 2012); https://doi.org/10.1117/12.2000211

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