| 泵浦光束质量对受激拉曼散射的影响 |
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| 引用本文： | 楼祺洪,宁东.泵浦光束质量对受激拉曼散射的影响[J].光学学报,1998,18(8):020-1024. |
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| 作者姓名： | 楼祺洪 宁东 |
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| 作者单位： | 中国科学院上海光学精密机械研究所 |
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| 基金项目： | 国家科委863高技术项目 |
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| 摘 要： | 主要讨论泵浦光束质量对低气压拉曼种子源特性的影响。文中给出了一阶斯托克斯光泵浦阈值、输出能量和光束质量的实验数据。用Ｍ＾２因子分析了泵浦光和一阶斯托克斯光的光束质量。根据考虑泵浦聚焦和泵浦光束质量影响的近似拉曼散射理论计算了泵浦阈值的理论曲线，并与实验数据和有关文献进行了比较。
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| 关 键 词： | 光束质量 受激拉曼散射 激光器 泵浦 |
| 收稿时间： | 1997/4/1 |
The Influence of Pump Beam Quality on Stimulated Raman Scattering |
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| Abstract: | The influence of pump beam quality on Raman generator at low pressure is discussed. The experimental results of energy threshold, output energy and beam divergence of the first Stokes are present. The quality of pump and the first Stokes beam is analyzed using the M 2 concept. The energy threshold of the first Stokes is calculated according to an approximate theory including the effect of focused pump beam and beam quality. The results are compared with experimants and theory in related references. |
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| Keywords: | beam quality M 2 concept Raman generator |
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