Optimal coating solution for the total internal reflection surface of zig-zag slab laser amplifier

Fei Liu; Siyu Dong; Hongfei Jiao; Jinlong Zhang; Bin Ma; Zhanshan Wang; Xinbin Cheng

doi:10.1117/12.2280493

13 November 2017 Optimal coating solution for the total internal reflection surface of zig-zag slab laser amplifier

Fei Liu, Siyu Dong, Hongfei Jiao, Jinlong Zhang, Bin Ma, Zhanshan Wang, Xinbin Cheng

Proceedings Volume 10447, Laser-Induced Damage in Optical Materials 2017; 104470V (2017) https://doi.org/10.1117/12.2280493
Event: SPIE Laser Damage, 2017, Boulder, Colorado, United States

Abstract

The operating fluence of traditional zigzag slab laser amplifier is limited by the interfacial laser damage between the laser crystal and SiO₂ film at the total internal reflection surface. A novel coating solution for the total internal reflection surface was proposed to increase the laser damage resistance. A HfO₂ layer with optimal thickness was inserted between the laser crystal and SiO₂ film to manipulate electric-field intensity at the vulnerable crystal-film interface to be zero. The laser damage resistance of this new coating for the total internal reflection surface is about two times higher than that of traditional zigzag slab laser amplifier.

Citation Download Citation

Fei Liu, Siyu Dong, Hongfei Jiao, Jinlong Zhang, Bin Ma, Zhanshan Wang, and Xinbin Cheng "Optimal coating solution for the total internal reflection surface of zig-zag slab laser amplifier", Proc. SPIE 10447, Laser-Induced Damage in Optical Materials 2017, 104470V (13 November 2017); https://doi.org/10.1117/12.2280493

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