SINGLE PHOTON RADIATION DETECTOR

The invention relates to a radiation detector (100) that is particularly suited for energy resolved single X-ray photon detection in a CT scanner. In a preferred embodiment, the detector (100) comprises an array of scintillator elements (S k) in which incident X-ray photons (X) are converted into bu...

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Main Authors HERRMANN CHRISTOPH, PRESCHER GORDIAN, FRACH THOMAS, ZEITLER GUENTER, BAEUMER CHRISTIAN, SOLF TORSTEN, STEADMAN BOOKER ROGER
Format Patent
LanguageEnglish
Published 27.01.2011
Subjects
MEASUREMENT OF NUCLEAR OR X-RADIATION
MEASURING
PHYSICS
TESTING
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Abstract The invention relates to a radiation detector (100) that is particularly suited for energy resolved single X-ray photon detection in a CT scanner. In a preferred embodiment, the detector (100) comprises an array of scintillator elements (S k) in which incident X-ray photons (X) are converted into bursts of optical photons (hn). Pixels (P k) associated to the scintillator elements (S k) determine the numbers of optical photons they receive within predetermined acquisition intervals. These numbers can then be digitally processed to detect single X-ray photons (X) and to determine their energy. The pixels may particularly be realized by avalanche photodiodes with associated digital electronic circuits for data processing.
AbstractList The invention relates to a radiation detector (100) that is particularly suited for energy resolved single X-ray photon detection in a CT scanner. In a preferred embodiment, the detector (100) comprises an array of scintillator elements (S k) in which incident X-ray photons (X) are converted into bursts of optical photons (hn). Pixels (P k) associated to the scintillator elements (S k) determine the numbers of optical photons they receive within predetermined acquisition intervals. These numbers can then be digitally processed to detect single X-ray photons (X) and to determine their energy. The pixels may particularly be realized by avalanche photodiodes with associated digital electronic circuits for data processing.
Author STEADMAN BOOKER ROGER
PRESCHER GORDIAN
ZEITLER GUENTER
FRACH THOMAS
BAEUMER CHRISTIAN
HERRMANN CHRISTOPH
SOLF TORSTEN
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– fullname: SOLF TORSTEN
– fullname: STEADMAN BOOKER ROGER
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Snippet The invention relates to a radiation detector (100) that is particularly suited for energy resolved single X-ray photon detection in a CT scanner. In a...
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SubjectTerms MEASUREMENT OF NUCLEAR OR X-RADIATION
MEASURING
PHYSICS
TESTING
Title SINGLE PHOTON RADIATION DETECTOR
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