ATR-FTIR spectroscopic studies on density changes of fused silica induced by localized CO<sub>2</sub> laser treatment

ATR-FTIR spectroscopic studies on density changes of fused silica induced by localized CO₂ laser treatment

Zhang Chuan-Chao^a), Zhang Li-Juan^a), Liao Wei^a), Yan Zhong-Hua^b), Chen Jing^a)†, Jiang Yi-Lan^a), Wang Hai-Jun^a), Luan Xiao-Yu^a), Ye Ya-Yun^a)‡, Zheng Wan-Guo^a), Yuan Xiao-Dong^a)

Peak position of the TO asymmetric stretching vibration of Si–O–Si bridges as a function of exposure time of the laser annealing by the power ramp down after damage mitigation.