| 多段阵列式钕玻璃放大器中放大自发辐射问题的研究 |
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| 引用本文： | 冯国英,吕百达.多段阵列式钕玻璃放大器中放大自发辐射问题的研究[J].中国激光,1997,24(6):489-494. |
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| 作者姓名： | 冯国英 吕百达 |
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| 作者单位： | 四川大学激光物理与化学研究所 |
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| 基金项目： | 惯性约束聚变青年科学基金,国家高技术惯性约束聚变委员会资助 |
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| 摘 要： | 由激光速率方程和泵浦速率的空间和时间分布出发，采用了二维光线追迹和蒙特卡罗法模拟了放大自发辐射，研究了多段阵列式钕玻璃放大器（ＭＳＡ）中间板条增益分布随时间和泵浦速率的变化。所得结果对大尺寸多段阵列式钕玻璃放大器的设计有参考价值
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| 关 键 词： | 多段阵列式放大器，放大自发辐射，光线追迹和蒙特卡罗法 |
| 收稿时间： | 1996/6/3 |
Amplified Spontaneous Emission in Multisegment Amplifier |
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| Abstract: | Amplified spontaneous emission (ASE) can strongly affect the operation and efficiency of high power laser devices. In this paper, starting from the laser rate equations and in consideration of the temporal and spatial pump rate distributions, the ASE in a multisegment amplifier (MSA) has been studied in detail by using two dimensional ray tracing and Monte Carlo methods. Numerical calculations have shown that gain distributions at the horizontal section of the middle slab are dependent on the time and pump |
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| Keywords: | multisegment amplifier (MSA) amplified spontaneous emission (ASE) ray tracing and Monte Carlo methods |
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