High-numerical-aperature lead silicate and barium crown glass uncald fibers have been doped with cerium to decrease their radiation sensitivity. The radiation-induced optical loss in both the visible and near-infrared in these core materials has been studied as a function of time (10−3–104 sec) after pulsed irradiation and cerium concentration (0–1 wt%). It has been determined that cerium is effective in decreasing the loss at a given time and increasing the decay rate of absorption.
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E. J. Friebele (1975) studied this question.
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