| 用蒙特卡罗方法计算棒状放大器内的泵浦能量分布 |
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| 引用本文： | 张华 徐世祥. 用蒙特卡罗方法计算棒状放大器内的泵浦能量分布[J]. 光学学报, 1997, 17(12): 601-1608 |
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| 作者姓名： | 张华 徐世祥 |
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| 作者单位： | 中国科学院上海光学精密机械研究所高功率激光物理国家实验室 |
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| 基金项目： | 国家科委863高科技项目 |
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| 摘 要： | 建立了用蒙特卡罗和光线跟踪法计算高功率固体激光系统棒状放大器能量沉积分布的模拟程序。在本文的模型中正确考虑了光线在反射器激光棒上的多次反射，氙灯的辐射光谱以及钕玻璃的吸收光谱。计算结果与作者用阈值法测量的增益均匀性以及用哈特曼网格法测量的氙灯泵浦对激光波面畸变的影响是一致的。
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| 关 键 词： | 泵浦 棒状放大器 能量沉积分布 固体激光系统 |
| 收稿时间： | 1997-01-15 |
Pumping Energy Distribution in Rod Amplifier Calculated with the Monte Carlo Method |
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| Zhang Hua Xiu Shixiang Fan Dianyuan. Pumping Energy Distribution in Rod Amplifier Calculated with the Monte Carlo Method[J]. Acta Optica Sinica, 1997, 17(12): 601-1608 |
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| Authors: | Zhang Hua Xiu Shixiang Fan Dianyuan |
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| Abstract: | The ray tracing and Monte Carlo method are applied to calculate the distribution of deposited pumping energy within a rod amplifier of the high power solid state laser system. Allowances are made for the effects of multiple reflections on the reflector and laser rod, Xe flashlamp emission spectrum and absorption spectrum of Nd doped laser glass. The results obtained are good agreement with the experimental results of gain uniformity measured by threshold method and laser wavefront measured by Hartmann wavefront sensor. |
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| Keywords: | Monte Carlo method ray tracing rod amplifiers distribution of the deposited energy. |
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