Laser damage characteristics of the YAG ceramics

Xiaofeng Liu; Yuanan Zhao; Dawei Li; Guohang Hu; Jianda Shao

doi:10.1117/12.2534736

8 July 2019 Laser damage characteristics of the YAG ceramics

Xiaofeng Liu, Yuanan Zhao, Dawei Li, Guohang Hu, Jianda Shao

Proceedings Volume 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers; 1106310 (2019) https://doi.org/10.1117/12.2534736
Event: Pacific Rim Laser Damage 2019 and Thin Film Physics and Applications 2019, 2019, Qingdao, China

Abstract

Interest in the YAG (Y3Al5O12) transparent ceramics for laser systems has been increasing. As the laser gain medium in laser systems, especially in high power laser systems, the laser damage resistant of YAG ceramics are required to be evaluated. The laser damage characteristics of four ceramics with the dimensions of 30mm×15mm×3mm were investigated. It is found that the bulk laser induced damage thresholds (LIDTs) of the YAG ceramics are lower than their surface LIDTs. The bulk LIDTs are related with the transmissions of the YAG ceramics. The surface damage morphologies should be induced by the opens pores on the ceramic surface, which are left by surface manufacturing.

Citation Download Citation

Xiaofeng Liu, Yuanan Zhao, Dawei Li, Guohang Hu, and Jianda Shao "Laser damage characteristics of the YAG ceramics", Proc. SPIE 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers, 1106310 (8 July 2019); https://doi.org/10.1117/12.2534736

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