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Proceedings Paper

Damage performance and developments of final optics system for UV nanosecond high power laser systems
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Paper Abstract

UV laser damage is still the key issue of high power nanosecond laser systems. The operation performance of the final optics in SGII-UP facility is first reviewed. Based on a high power laser prototype, laser-induced damage of large aperture final optics at 351nm was experimentally studied, including damage initiation, growth and morphologies. The near filed of 351nm laser beam was precisely measured with a high resolution by using the precision diagnostics system (PDS) to study the effects of laser modulation and propagation on laser damage. The damage behaviors were comprehensively analyzed and the main contributors to laser damage were discussed. The development perspective of final optics system for high power laser system is briefly introduced.

Paper Details

Date Published: 16 November 2018
PDF: 6 pages
Proc. SPIE 10805, Laser-Induced Damage in Optical Materials 2018: 50th Anniversary Conference, 108051H (16 November 2018); doi: 10.1117/12.2500358
Show Author Affiliations
Mingying Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Zhaoyang Jiao, Shanghai Institute of Optics and Fine Mechanics (China)
Yajing Guo, Shanghai Institute of Optics and Fine Mechanics (China)
Chong Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Rong Wu, Shanghai Institute of Optics and Fine Mechanics (China)
Lei Ren, Shanghai Institute of Optics and Fine Mechanics (China)
Ping Shao, Shanghai Institute of Optics and Fine Mechanics (China)
Jianqiang Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Zunqi Lin, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10805:
Laser-Induced Damage in Optical Materials 2018: 50th Anniversary Conference
Christopher Wren Carr; Gregory J. Exarhos; Vitaly E. Gruzdev; Detlev Ristau; M.J. Soileau, Editor(s)

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