Comparison of the damage features of the silica films prepared by the sol-gel and e-beam deposition methods

Yanyan Cui; Hongji Qi; Hu Wang; Haiyuan Li; Bin Wang; Kui Yi

doi:10.1117/12.2185996

14 July 2015 Comparison of the damage features of the silica films prepared by the sol-gel and e-beam deposition methods

Yanyan Cui, Hongji Qi, Hu Wang, Haiyuan Li, Bin Wang, Kui Yi

Author Affiliations +

Proceedings Volume 9532, Pacific Rim Laser Damage 2015: Optical Materials for High-Power Lasers; 95321G (2015) https://doi.org/10.1117/12.2185996
Event: Pacific Rim Laser Damage, 2015, Jiading, Shanghai, China

Abstract

Typical damage features of the silica films, prepared by the sol-gel and e-beam deposition methods, are investigated and compared under the irradiation of the single nanosecond pulse. The laser induced damage threshold of the sol-gel silica film is higher than that of e-beam deposited silica coating. The concentric surface structures are observed in all damage pits. Furthermore, the large scale mechanical delamination that is not from the film-substrate interface but from the inner of the film is interesting for the sol-gel silica coating, which is distinct from the explosive boiling that observed on the surface of the coating deposited by the e-beam deposition method.

Citation Download Citation

Yanyan Cui, Hongji Qi, Hu Wang, Haiyuan Li, Bin Wang, and Kui Yi "Comparison of the damage features of the silica films prepared by the sol-gel and e-beam deposition methods", Proc. SPIE 9532, Pacific Rim Laser Damage 2015: Optical Materials for High-Power Lasers, 95321G (14 July 2015); https://doi.org/10.1117/12.2185996

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