Final answer:
The detectors used for digital fluoroscopy are categorized into two major groups: direct conversion and indirect conversion. Direct conversion detectors directly convert incident radiation into electrical current, while indirect conversion detectors use a scintillator material to convert radiation into visible light.
Step-by-step explanation:
The detectors used for digital fluoroscopy are categorized into two major groups: direct conversion and indirect conversion.
Direct conversion detectors are solid-state radiation detectors made of semiconductors. These detectors directly convert incident radiation into electrical current. They offer high sensitivity and spatial resolution.
Indirect conversion detectors use a scintillator material to convert incident radiation into visible light. The light is then detected by photodetectors, such as photomultiplier tubes or CCD cameras. These detectors provide good image quality and can be used in various imaging systems.