| 光参量发生放大器中信号光线宽的理论分析 |
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| 引用本文： | 王丽 黄骝. 光参量发生放大器中信号光线宽的理论分析[J]. 河北师范大学学报(自然科学版), 1999, 23(2): 201-204 |
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| 作者姓名： | 王丽 黄骝 |
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| 作者单位： | [1]河北师范大学物理系 [2]北京工业大学 |
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| 摘 要： | 对泵浦光的光束质量影响信号光线宽加宽的物理机制进行了模拟计算和分析，结果表明，在锭离简并点处，信号光线宽较小，在简并点附近，信号光线宽急剧增大，泵浦光的发散角和偏轴方向的泵浦光对信号光线宽影响较大。
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| 关 键 词： | 线宽 信号光 光参量放大器 光参数 激光器 |
Theoretical Analysis of the Signal Linewidth Optical Parametric Generation and Amplifier |
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| WANG Li ,HUANG Liu ,ZHANG Da Wei. Theoretical Analysis of the Signal Linewidth Optical Parametric Generation and Amplifier[J]. Journal of Hebei Normal University, 1999, 23(2): 201-204 |
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| Authors: | WANG Li HUANG Liu ZHANG Da Wei |
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| Affiliation: | WANG Li 1,HUANG Liu 2,ZHANG Da Wei 3 |
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| Abstract: | The influence of the divergence angle of pumping beam and the off axis pumping and its linewidth to the linewidth of the parametric light were computed and compared .It is shown that the linewidth of parametric light is very narrow far away from the degeneracy point,and the linewidth begins to enlarge quickly at the degeneracy point.The divergence angle of pumping beam and the off axis of pumping beam influenced the signal linewidth more seriously than other factors do.These results are important for narrowing the signal linewidth of optical parametric laser. |
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| Keywords: | optical parametric laser linewidth |
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