Mechanisms of the sharp decrease of the LIDT from the plastic surface defect to the brittle surface defect on optical surface

Dinghuai Yang, Jian Cheng, Linjie Zhao, Mingjun Chen, Henan Liu, Jinghe Wang, Chengshun Han, Zhichao Liu, Shengfei Wang, Feng Geng, Yazhou Sun, Qiao Xu