| YAG复合型相位共轭腔对改善光束模式的研究 |
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| 引用本文： | 屈军,张为俊,高晓明,刘安玲,黄伟,裴世鑫,杨顒,李伟正,邵杰.YAG复合型相位共轭腔对改善光束模式的研究[J].光学学报,2004,24(12):663-1666. |
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| 作者姓名： | 屈军 张为俊 高晓明 刘安玲 黄伟 裴世鑫 杨顒 李伟正 邵杰 |
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| 作者单位： | 1. 中国科学院安徽光学精密机械研究所,合肥,230031;芜湖师范专科学校物理系,芜湖,241008
2. 中国科学院安徽光学精密机械研究所,合肥,230031 |
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| 基金项目： | 国家863计划激光技术创新基金(20030509)资助课题 |
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| 摘 要： | 如何降低受激布里渊散射(SBS)相位共轭腔的启动阈值以及如何提高输出光束的质量一直是人们关心的课题。报道了在YAG激光器上运行一种复合型受激布里渊散射相位共轭激光腔，该腔能够输出模式优良的光束。最大能够输出13．35mJ的单纵模，脉冲半高宽度约为15ns，输出光束的发散角为0．6mrad。实验给出了不同参量条件下的输出脉宽、能量及远场光斑分布和干涉环的情况，表明利用复合型相位共轭腔是改善光束模式的一种简单有效的方法。
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| 关 键 词： | 非线性光学 受激布里渊散射 复合腔 相位共轭 模式 |
| 收稿时间： | 2004/2/10 |
The Investigation of Improving Bean's Mode Quality Compound YAG Phase-Conjugate Resonator |
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| Qu jun Zhang Weijun Gao Xiaoming Liu Anling Huang Wei Pei Shixin Yang Yong Li Weizheng Shao Jie Anhui Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Hefei.The Investigation of Improving Bean''''s Mode Quality Compound YAG Phase-Conjugate Resonator[J].Acta Optica Sinica,2004,24(12):663-1666. |
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| Authors: | Qu jun Zhang Weijun Gao Xiaoming Liu Anling Huang Wei Pei Shixin Yang Yong Li Weizheng Shao Jie Anhui Institute of Optics and Fine Mechanics The Chinese Academy of Sciences Hefei |
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| Institution: | Qu jun Zhang Weijun Gao Xiaoming Liu Anling Huang Wei Pei Shixin Yang Yong Li Weizheng Shao Jie Anhui Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Hefei 230031 Department of Physics,Wuhu Normal College,Wuhu 241008 |
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| Abstract: | How to decrease the threshold and how to improve the quality of output beam of stimulated Brillouin scattering (SBS) phase-conjugation cavity is a problem. The output characteristic of compound phase-conjugate cavity with good beam mode is reported. The output energy of single pulse is 13. 35 mJ with 15 ns of widths, and the divergence angle is 0. 6 mrad. The results of pulse widths and output energies and beam profiles are given, indicating that using the compound cavity is a useful and easy method to improve the quality of beam mode. |
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| Keywords: | nonlinear optics stimulated Brillouin scattering compound cavity phase conjugation mode |
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