| 宽带激光二倍频特性的理论分析 |
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| 引用本文： | 黄中华,蔡邦维,马驰,李恪宇.宽带激光二倍频特性的理论分析[J].激光技术,2005,29(5):473-475. |
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| 作者姓名： | 黄中华 蔡邦维 马驰 李恪宇 |
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| 作者单位： | 1.中国工程物理研究院激光聚变研究中心, 绵阳, 621900; |
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| 摘 要： | 在激光核聚变(ICF)物理实验中,采用相干度较小的宽带倍频激光,能有效抑制高阶非线性效应和提高靶的激光辐照均匀性。根据不同频率成分和频耦合原理,建立了宽带二倍频转换的物理模型,作了理论计算分析,发现二倍频光的光谱变窄,结果对宽带三倍频研究具有一定应用价值。
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| 关 键 词： | 非线性光学 频率转换 宽带倍频 带宽 和频耦合 |
| 收稿时间： | 2004-07-12 |
| 修稿时间： | 2004-12-24 |
Theory study of the second harmonic properties of broadband lasers |
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| HUANG Zhong-hua,CAI Bang-wei,MA Chi,U Ke-yu.Theory study of the second harmonic properties of broadband lasers[J].Laser Technology,2005,29(5):473-475. |
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| Authors: | HUANG Zhong-hua CAI Bang-wei MA Chi U Ke-yu |
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| Abstract: | In the experiment of laser fusion, broadband lasers, which are weak interference, can effectively restrain high order nonlinear effects and smooth the radiation upon the target. According to the method of different frequency coupling,a model of the second harmonic generation (SHG) of the broadband lasers is set up. The calculation result shows that the bandwidth is compressed,which can be referenced by the third harmonic generation of the broadband lasers. |
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| Keywords: | nonlinear optics frequency conversion broadband SHG bandwidth sum frequency coupling |
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