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Proceedings Paper

Cleaning mechanism of particle contaminants on large aperture optical components by using air knife sweeping technology
Author(s): Longfei Niu; Hao Liu; Xinxiang Miao; Haibing Lv; Xiaodong Yuan; Hai Zhou; Caizhen Yao; Guorui Zhou; Qin Li
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Paper Abstract

The cleaning mechanism of optical surface particle contaminants in the light pneumatic tube was simulated based on the static equations and JKR model. Cleaning verification experiment based on air knife sweeping system and on-line monitoring system in high power laser facility was set up in order to verify the simulated results. Results showed that the removal ratio is significantly influenced by sweeping velocity and angle. The removal ratio can reach to 94.3% by using higher input pressure of the air knife, demonstrating that the air knife sweeping technology is useful for maintaining the surface cleanliness of optical elements, and thus guaranteeing the long-term stable running of the high power laser facility.

Paper Details

Date Published: 12 May 2017
PDF: 7 pages
Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 1017323 (12 May 2017); doi: 10.1117/12.2267980
Show Author Affiliations
Longfei Niu, China Academy of Engineering Physics (China)
Hao Liu, China Academy of Engineering Physics (China)
Xinxiang Miao, China Academy of Engineering Physics (China)
Haibing Lv, China Academy of Engineering Physics (China)
Xiaodong Yuan, China Academy of Engineering Physics (China)
Hai Zhou, China Academy of Engineering Physics (China)
Caizhen Yao, China Academy of Engineering Physics (China)
Guorui Zhou, China Academy of Engineering Physics (China)
Qin Li, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 10173:
Fourth International Symposium on Laser Interaction with Matter
Yongkun Ding; Guobin Feng; Dieter H. H. Hoffmann; Jianlin Cao; Yongfeng Lu, Editor(s)

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