| 熔石英亚表面修复形貌对光场的调制 |
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| 引用本文： | 张彦垒, 肖峻, 袁晓东, 等. 熔石英亚表面修复形貌对光场的调制[J]. 强激光与粒子束, 2012, 24: 1806-1810. doi: 10.3788/HPLPB20122408.1806 |
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| 作者姓名： | 张彦垒 肖峻 袁晓东 贺少勃 蒋勇 刘春明 |
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| 作者单位： | 1.电子科技大学 光电信息学院,成都 61 0054;;2.中国工程物理研究院 激光聚变研究中心,四川 绵阳 621 900 |
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| 摘 要： | 基于标量衍射理论, 计算了熔石英亚表面高斯型修复形貌对于光场的调制，用Matlab对结果进行了仿真并与实验结果进行了比较。所得结果表明，二者有较好的一致性, 一定尺度的高斯面型修复形貌会对光场产生调制，且调制度随光场传输位置变化，通过适当选择后续光学元件位置，可降低光场调制造成光学元件损伤的风险。
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| 关 键 词： | 光调制度 激光修复 标量衍射理论 高斯面型 熔石英 |
| 收稿时间： | 2011-06-28 |
Modulation on incident laser induced by repaired subsurface defect in fused silica |
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| Zhang Yanlei, Xiao Jun, Yuan Xiaodong, et al. Modulation on incident laser induced by repaired subsurface defect in fused silica[J]. High Power Laser and Particle Beams, 2012, 24: 1806-1810. doi: 10.3788/HPLPB20122408.1806 |
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| Authors: | Zhang Yanlei Xiao Jun Yuan Xiaodong He Shaobo Jiang Yong Liu Chunming |
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| Affiliation: | 1. School of Opto-electronic Information,University of Electronic Science and Technology of China,Chengdu 610054,China;;2. Research Center of Laser Fusion,CAEP,P.O.Box 919-988-5,Mianyang 621900,China |
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| Abstract: | The effect of the repaired subsurface defect with Gaussian profile in fused silica on incident laser is studied according to the scalar diffraction theory. The Matlab simulation results agree with the experiment results. It is shown that modulation on incident laser is produced by the repaired site and varies with the light propagation distance. The modulation may cause damage of the downstream optical components. However, the damage risk can be reduced by installing the downstream optical components at appropriate positions. |
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| Keywords: | modulation laserrepair scalardiffractiontheory gaussianprofile fusedsilica |
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