光学
激光器
超短脉冲
材料科学
放大
光学涂层
光电子学
制作
涂层
物理
医学
病理
复合材料
替代医学
作者
Ruiyi Chen,Yanzhi Wang,Jianda Shao,Yu Cao,Yuhui Zhang,Zhi-Hao Wang,Yuchuan Shao,Yunxia Jin,Kui Yao,Jiabing Hu,Yi Xu,Yuxing Leng,Ruxin Li
出处
期刊:IEEE Photonics Technology Letters
[Institute of Electrical and Electronics Engineers]
日期:2022-01-15
卷期号:34 (2): 93-96
被引量:4
标识
DOI:10.1109/lpt.2021.3136900
摘要
This study presents the concept of high-damage-threshold chirped mirrors (HDTCMs) for ultrafast high-power laser systems. We describe a novel design method for the fabrication of HDTCMs to simultaneously achieve high reflectivity and high laser-induced damage threshold (LIDT) over a broad bandwidth. In the proposed novel structure, the squared electric field distribution oscillations of the laser pulse stagger each other, leading to a low average squared E-field distribution and effectively enhancing the LIDT. As a proof-of-concept study, an HDTCM is designed based on our simulation. The LIDT of the HDTCM increases by a factor of ~2.3. Moreover, a HDTCM pair is successfully applied in a cross-polarized-wave (XPW) filter, supporting a near Fourier transform limit (FLT) 17.7-fs pulse generation. This concept can be generalized to virtually any optical coating design, thus advancing high damage resistant mirror fabrication to a level well suited to high-power laser applications.
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