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The spectrum of the luminescence in silica core optical fibers under x-ray excitation has been observed to consist of two distinct emission bands at 450 and 650 nm. The contrasting dose-dependent behaviors of the two bands show that they are associated with different luminescent centers in the glass matrix. The application of the radiation-induced luminescence in fibers for radiation detection and real-time dosimetry is outlined.
M. J. Marrone (Sun,) studied this question.