Patent ID: 7382854

Claim:
A CT system comprising: a rotatable gantry having a bore centrally disposed therein; a table movable fore and aft through the bore and configured to position a subject for CT data acquisition; a high frequency electromagnetic energy projection source positioned within the rotatable gantry and configured to project high frequency electromagnetic energy toward the subject; and a detector array disposed within the rotatable gantry and configured to detect high frequency electromagnetic energy projected by the projection source and impinged by the subject, the detector array including: a plurality of scintillators arranged in a scintillator array; a plurality of photodiodes arranged in a photodiode array; and a light collimator having a plurality of collimator plates that collectively define a plurality of light transmission cavities disposed between the plurality of scintillators and the plurality of photodiodes, the plurality of collimator plates formed of a semiconductor.