A very simple and inexpensive CT-scanner has been designed and constructed, which is able to carry out contemporaneously transmission, Compton, Rayleigh and fluorescence radiation tomography. Four detectors are located around the object to be scanned: a NaI one at 180° with respect to the incident radiation for transmission tomography; a second NaI at 90° for Compton tomography; a third NaI at 5-10° for Rayleigh tomography, and a Si-PIN or CdZnTe at 90° for fluorescent radiation tomography. Special special algorithms were employed, which include autoabsorption correction terms for Compton, Rayleigh and fluorescence tomography.

A CT-scanner for transmission, scattering and fluorescent radiation imaging

GOLOSIO, BRUNO
2001

Abstract

A very simple and inexpensive CT-scanner has been designed and constructed, which is able to carry out contemporaneously transmission, Compton, Rayleigh and fluorescence radiation tomography. Four detectors are located around the object to be scanned: a NaI one at 180° with respect to the incident radiation for transmission tomography; a second NaI at 90° for Compton tomography; a third NaI at 5-10° for Rayleigh tomography, and a Si-PIN or CdZnTe at 90° for fluorescent radiation tomography. Special special algorithms were employed, which include autoabsorption correction terms for Compton, Rayleigh and fluorescence tomography.
Compton tomography; X-ray imaging
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11584/64403
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