Indirect flat-panel detector with avalanche gain: Fundamental feasibility investigation for SHARP-AMFPI (scintillator HARP active matrix flat panel imager)

An indirect flat-panel imager (FPI) with avalanche gain is being investigated for low-dose x-ray imaging. It is made by optically coupling a structured x-ray scintillator CsI(Tl) to an amorphous selenium ( a -Se) avalanche photoconductor called HARP (high-gain avalanche rushing photoconductor). The...

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Veröffentlicht in:	Medical physics (Lancaster) 2005-09, Vol.32 (9), p.2954-2966
Hauptverfasser:	Zhao, Wei, Li, Dan, Reznik, Alla, Lui, B. J. M., Hunt, D. C., Rowlands, J. A., Ohkawa, Yuji, Tanioka, Kenkichi
Format:	Artikel
Sprache:	eng
Schlagworte:	amorphous selenium avalanche gain Avalanche photodiodes biomedical equipment caesium compounds Cesium cesium iodide CESIUM IODIDES diagnostic radiography ELECTRIC FIELDS Fabry‐Perot interferometers Feasibility Studies flat-panel detectors FLUOROSCOPY image sensors Iodides Mammography - instrumentation Medical imaging NOISE Non‐ionizing radiation equipment and techniques Optoelectronic devices Phantoms, Imaging photoconducting devices Photons Plucked stringed instruments QUANTUM EFFICIENCY Quantum noise Quantum optics RADIATION DOSES RADIATION PROTECTION AND DOSIMETRY Radiography Radiography - instrumentation READOUT SYSTEMS SCINTILLATION COUNTERS SELENIUM THICKNESS thin film transistors THIN FILMS TRANSISTORS X RADIATION X-Ray Intensifying Screens X‐ray detectors X‐ray imaging X‐ray optics
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