Abstract A model of three-level amplified spontaneous emission (ASE) sources, considering radiation effect, is proposed to predict radiation induced loss of output power in radiation environment. Radiation absorption parameters of ASE sources model are obtained by the fitting of color centers generation and recovery process of gain loss data at lower dose rate. Gain loss data at higher dose is applied for self-validating. This model takes both the influence of erbium ions absorption and photon bleaching effect into consideration, which makes the prediction of different dose and dose rate more accurate and flexible. The fitness value between ASE model and gain loss data is 99.98%, which also satisfies the extrapolation at the low dose rate. The method and model may serve as a valuable tool to predict ASE performance in harsh environment.
Shen Tan(谭深), Yan Li(李彦), Hao-Shi Zhang(张浩石), Xiao-Wei Wang(王晓伟), and Jing Jin(金靖) Loss prediction of three-level amplified spontaneous emission sources in radiation environment 2022 Chin. Phys. B 31 064211
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