Abstract
Research to evaluate scintillating fiber optics (SFO) as radiation imaging detectors is described. The fundamental properties of the imaging detector, radiation detection efficiency, spatial resolution and signal-to-noise ratio (SNR), are measured. It has been concluded from this evaluation that the intrinsic detection efficiency, spatial resolution and SNR are superior to that observed in scintillating screens. The measured spatial resolution with 90 300 keV X-rays ranges between 100 and 200 mm and is independent of the SFO thickness. The overall detection efficiency is, however, considerably lower than that of scintillating screens. Since the detection of photons is the primary source of statistical uncertainty, the problem of detection has been solved by the use of light amplification with an image intensifier. Scintillating fiber optics with light amplification demonstrate a desired detection efficiency, and spatial resolution at higher energy superior to scintillating screens. The implications of this result is that SFO should demonstrate good spatial resolution and detection efficiency at higher energies. These measurements indicate that SFO do have good potential for high-energy photon radiation imaging.
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