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Signal processing system based on FPGAs for neutron imaging detectors using scintillators
- Source :
-
Nuclear Instruments & Methods in Physics Research Section A . Aug2004, Vol. 529 Issue 1-3, p429-432. 4p. - Publication Year :
- 2004
-
Abstract
- A signal processing system based on field programmable gate arrays (FPGAs) was developed for a 64 channel×64 channel neutron imaging device using a wavelength shifting fiber read-out based on a photon-counting method. Light signals detected by 64 channel multi-anode photomultipliers are amplified and converted to digital photon signals containing incident-position and time information of neutron by using high-speed amplifiers and discriminators. By using coincidence circuits made in FPGAs, the incident position of neutron is determined based on these digital signals. A neutron imaging detector composed of the signal processing system and a neutron imaging device with a ZnS:Ag/6LiF scintillator was evaluated by using neutron beam. It was confirmed that the signal processing based on FPGAs was effective to determine a precise incident position of neutron with high speed and many channel. [Copyright &y& Elsevier]
- Subjects :
- *DIGITAL signal processing
*NEUTRON counters
*SCINTILLATORS
*PHOTONS
Subjects
Details
- Language :
- English
- ISSN :
- 01689002
- Volume :
- 529
- Issue :
- 1-3
- Database :
- Academic Search Index
- Journal :
- Nuclear Instruments & Methods in Physics Research Section A
- Publication Type :
- Academic Journal
- Accession number :
- 14103553
- Full Text :
- https://doi.org/10.1016/j.nima.2004.05.027