Расчетно-экспериментальная оценка реакции волоконного лазера на импульсное воздействие тормозного излучения

С.М. Дубровских, О.В. Ткачев, В.П. Шукайло, А.Н. Слобожанин, А. Н. Афанасьев
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Abstract

Experiments have been carried out to study the transient radiation-induced absorption in the active core of a double-clad ytterbium fiber and the response of a laser based on it under the impact of pulsed X-rays. It has been found that the time of loss of laser performance (downtime) under pulsed irradiation increases with an increase in the absorbed dose rate of radiation and a decrease in the laser pump power and reaches values of ~1 ms. An analysis of the experimental results shows that the laser response to the action of X-rays pulse is determined by radiation-induced losses in the active fiber core. A experimental-calculated method for estimating the radiation reaction of a laser, based on the results of studies of the active fiber, is proposed.
纤维激光对制动辐射脉冲影响的估计实验反应评估
本文通过实验研究了双包层镱光纤有源芯在脉冲x射线作用下的瞬态辐射诱导吸收及其激光器的响应。研究发现,脉冲辐照下的激光性能损失时间(停机时间)随辐射吸收剂量率的增加和激光泵浦功率的减小而增加,达到约1 ms。对实验结果的分析表明,激光对x射线脉冲作用的响应是由有源光纤芯中的辐射损耗决定的。基于有源光纤的研究结果,提出了一种估计激光辐射反应的实验计算方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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