CT Detector Characteristics in Imaging
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Questions and Answers

What does efficiency refer to in the context of CT detectors?

  • The size of the detector area facing the beam
  • The ability to accurately convert electrical signals into X-ray photons
  • The atomic number and physical density of the detector
  • Capturing, absorbing, and converting X-ray photons to electrical signals (correct)

    • Which factor contributes to capture efficiency in CT detectors?

  • Physical density of the detector face
  • Size and distance between two detectors (correct)
  • Conversion of X-ray signal into an electrical signal
  • Atomic number of the detector

    • What does absorption efficiency depend on in CT detectors?

  • The size of the detector area facing the beam
  • Conversion efficiency of X-ray signal into an electrical signal
  • Distance between two detectors
  • Atomic number, physical density, size, and thickness of the detector face (correct)

    • What is conversion efficiency with respect to CT detectors?

    <p>Accurately converting the absorbed X-ray signal into an electrical signal</p> Signup and view all the answers

    What is the product of capture efficiency, absorption efficiency, and conversion efficiency called?

    <p>Overall efficiency</p> Signup and view all the answers

    In the context of CT detectors, what does an overall efficiency value less than 1 indicate?

    <p>A nonideal detector system</p> Signup and view all the answers

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