| 中红外高激光破坏阈值薄膜的研究 |
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| 引用本文： | 金涛,江绍基. 中红外高激光破坏阈值薄膜的研究[J]. 红外与激光工程, 2007, 36(5): 680-683 |
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| 作者姓名： | 金涛 江绍基 |
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| 作者单位： | 中山大学,光电材料与技术国家重点实验室,广东,广州,510275;中山大学,光电材料与技术国家重点实验室,广东,广州,510275 |
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| 基金项目： | 广东省广州市科技攻关项目 |
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| 摘 要： | 针对中红外波段（尤其是2.94 μm波长），选择合适的薄膜材料并结合适当的制备工艺参数，优化制备出了几种高破坏阈值2.94 μm激光腔镜。使用了1.06 μm和2.94 μm两种波长的激光对样品进行了破坏阈值实验。通过实验结果进行对比，总结出该波段高破坏阈值光学薄膜的一些独特性质以及镀制要求，得出一套有效地镀制高激光破坏阈值中红外薄膜的方案。所镀腔镜经过自制的自由震荡式长脉宽2.94 μm Er:YAG激光器的使用检验，满足使用要求。
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| 关 键 词： | 中红外 薄膜 破坏阈值 Er:YAG |
| 文章编号： | 1007-2276（2007）05-0680-04 |
| 收稿时间： | 2006-11-20 |
| 修稿时间： | 2006-11-20 |
Laser damage issues of optical coating for the mid-infrared |
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| JIN Tao,JIANG Shao-ji. Laser damage issues of optical coating for the mid-infrared[J]. Infrared and Laser Engineering, 2007, 36(5): 680-683 |
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| Authors: | JIN Tao JIANG Shao-ji |
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| Affiliation: | State Key Laboratory of Optoelectronic Materials and Technologies , Sun Yat-Sen University, Guangzhou 510275,China |
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| Abstract: | A study was carried out to design and fabricate the mirrors for lasers operating in the mid-infrared (specifically for 2.94 μm) by selecting a variety of coating materials and coating parameters. Several mirrors were made out for the 2.94 μm laser. By comparing damage datum of 1.06 μm and 2.94 μm, a feasible and efficient way to make mirrors working at mid-infrared with high damage threshold was found. Some mirrors were tested by a self-made free oscillation 2.94 μm Er:YAG laser. The performance meets the using requirement. |
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| Keywords: | Mid-infrared Optical coating Laser induced damage threshold (LIDT) Er:YAG |
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