Time-dependent photothermal characterization on damage of fused silica induced by pulsed 355-nm laser with high repetition rate

Yan Chun-Yan, Liu Bao-An, Li Xiang-Cao, Liu Chang, Ju Xin^†

Each of all samples is divided into nine squares, each with 6 mm in side length and 1 mm away from edge. Irradiation times of squares 1–9 are 1T, 1/8T, 2/8T, …, 7/8T, and 1.5T, respectively.