Laser conditioning of dielectric oxide mirror coatings at 1064 nm

Yuanan Zhao; Jianda Shao; Tao Wang; Dongping Zhang; Shuhai Fan; Jianbing Huang; WeiDong Gao; Zhengxiu Fan

doi:10.1117/12.607903

8 December 2004 Laser conditioning of dielectric oxide mirror coatings at 1064 nm

Yuanan Zhao, Jianda Shao, Tao Wang, Dongping Zhang, Shuhai Fan, Jianbing Huang, WeiDong Gao, Zhengxiu Fan

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.607903
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

Laser conditioning effects of the dielectric oxide mirror coatings with different designs were investigated. Simple quarter-wave ZrO₂:Y₂O₃/SiO₂ mirrors and half-wave SiO₂ over-coated ZrO₂:Y₂O₃/SiO₂ mirror coatings at 1064nm were fabricated by E-beam evaporation (EBE). The absorbance of the samples before and after laser conditioning was measured by surface thermal lensing (STL) technology and the defects density was detected under Nomarski microscope. The enhancement of the laser damage resistance was found after laser conditioning. The dependence of the laser conditioning on the coating design was also observed and the over-coated sample obtained greatest enhancement, whereas the absorbance of the samples did not change obviously.

Citation Download Citation

Yuanan Zhao, Jianda Shao, Tao Wang, Dongping Zhang, Shuhai Fan, Jianbing Huang, WeiDong Gao, and Zhengxiu Fan "Laser conditioning of dielectric oxide mirror coatings at 1064 nm", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.607903

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