NDLI: FPGA-Based Pulse-Oriented Digital Acquisition System For Nuclear Detectors

Content Provider	IEEE Xplore Digital Library
Author	Riva, M. Esposito, B. Marocco, D.
Copyright Year	2007
Description	Author affiliation: Associazione EURATOM-ENEA, Frascati (Riva, M.; Esposito, B.; Marocco, D.)
Abstract	Neutron/gamma-ray pulse shape discrimination (PSD) is a common technique applied to detectors (liquid organic scintillators) employed in neutron diagnostics for fusion plasmas. For example, NE213 scintillators, coupled with analogue PSD modules are in operation at JET (Joint European Torus) in the radial and vertical neutron camera and also in a compact neutron spectrometer system. However, these analogue systems present several drawbacks, such as limited count rate (typically ~0.2 MHz) and no reprocessing capability. ENEA-Frascati has therefore started to develop digital solutions to offer increased performances, both using commercial digital boards and developing in-house new digital architectures. This article illustrates the capabilities of the new digital architecture with high acquisition speed (200 Msamples/s) and high dynamic range (14 bit). The novel DWDA (Dynamic Window Data Acquisition) technique will be shown: the incoming signal is acquired only when the signal trespasses a threshold and the duration of the acquisition is variable so that every pulse in the current time window is sampled and acquired. Some experimental results will be presented.
Starting Page	1
Ending Page	4
File Size	3544901
Page Count	4
File Format	PDF
ISBN	9781424411931
DOI	10.1109/FUSION.2007.4337920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutrons Pulse shaping methods Shape Gamma ray detection Gamma ray detectors Plasma diagnostics Couplings Cameras Spectroscopy Dynamic range neutron-gamma discrimination component Pulse Shape Discrimination PSD FPGA
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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