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Numerical simulation of debris-removal trajectories on the transport mirrors in high-power laser systems

  • Yangshuai Li (a1) (a2), Jianqiang Zhu (a1), Xiangyang Pang (a1), Hua Tao (a1) (a2), Xiang Jiao (a1) (a2) and Yongzhong Wu (a1) (a2)...

Abstract

In high-power laser systems (HPLSs), understanding debris-removal trajectories is important in eliminating debris from the surfaces of transport mirrors online and keeping other optical components free from contamination. NS equations, the RNG $k{-}{\it\varepsilon}$ model and the discrete phase model of the Euler–Lagrange method are used to conduct numerical simulations on the trajectories of contaminant particles of different sizes and types on the mirror surface using Fluent commercial software. A useful device is fabricated based on the simulation results. This device can capture and collect debris from the mirror surface online. Consequently, the effect of debris contamination on other optical components is avoided, cleaning time is shortened, and ultimately, the cleanliness of the mirrors in HPLSs is ensured.

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Copyright

The online version of this article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution licence .

Corresponding author

Correspondence to: Y. Li, No. 390, Qinghe Road, Jiading, Shanghai, CN 201800, China. Email: yshli@siom.ac.cn

References

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