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Proceedings Paper

Protective coatings for large-sized KDP crystals
Author(s): Weiqing Zhang; Yongxing Tang; Xiaolin Liu; Minhua Jiang; Yueqin Le; Jinren Sun; Zhiya Chen
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Paper Abstract

Large size potassium dihydrogen phosphate (KDP) crystals were coated with a polymethyltriethoxysilane (PMTES) coating for environmental protection. The optical property and environmentally protective ability of coatings are investigated. The coatings have high transmission in the range of 200 to 1100 nm. On the conditions of wavelength 1.054 micrometer and a pulse length 1 ns, the laser damage threshold of the coating is higher than 8.4 J/cm2. It is found that the thresholds of the coatings are not obvious change below 80 degrees Celsius and increase with the increasing of the cured temperature. The fogging phenomenon of the KDP crystals coated with PMTES coating has not been observed after more than one year in ambient atmosphere.

Paper Details

Date Published: 20 February 1998
PDF: 4 pages
Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); doi: 10.1117/12.300645
Show Author Affiliations
Weiqing Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Yongxing Tang, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaolin Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Minhua Jiang, Shanghai Institute of Optics and Fine Mechanics (China)
Yueqin Le, Shanghai Institute of Optics and Fine Mechanics (China)
Jinren Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Zhiya Chen, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3175:
Third International Conference on Thin Film Physics and Applications
Shixun Zhou; Yongling Wang; Yi-Xin Chen; Shuzheng Mao, Editor(s)

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