中国激光, 2015, 42 (s1): s102011, 网络出版: 2015-09-14  

碱金属激光器窗口损坏过程与机理研究

Experimental Research of Damage Process and Mechanism of Alkali Vapor Laser Windows
作者单位
国防科技大学光电科学与工程学院,湖南 长沙 410073
摘要
以玻璃材料为例对含烃和无烃类半导体抽运碱金属蒸气激光器(DPAL)窗口在高功率连续抽运条件下的损伤过程和机理进行实验研究,通过相机的观察记录铷蒸气池窗口在高功率密度抽运光入射条件下的表面形貌变化,以及对照射后铷蒸气池窗口形貌的显微观察,得到实验结果表明DPAL窗口损伤存在热致物理损伤和化学损伤两种不同的过程,并对其机理进行了分析。该研究方法可应用于其他材料(如蓝宝石)DPAL窗口性能的诊断测试。
Abstract
In this paper, the damage process and mechanism of diode pumped alkali vapor laser (DPAL) windows have been experimental studied and analyzed. The results show that two different processes exist in DPAL windows (take glass as example): the heat induced physical damage and the reaction (between alkali and hydrocarbon) induced chemical damage. The mechanism of these two processes has been analyzed. The research method in this paper can be applied to study the performance of other DPAL windows.
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李云飞, 杨子宁, 王红岩, 华卫红. 碱金属激光器窗口损坏过程与机理研究[J]. 中国激光, 2015, 42(s1): s102011. Li Yunfei, Yang Zining, Wang Hongyan, Hua Weihong. Experimental Research of Damage Process and Mechanism of Alkali Vapor Laser Windows[J]. Chinese Journal of Lasers, 2015, 42(s1): s102011.

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