Longfei Niu, Hui You, Haibing Lü, Yilan Jiang, Guorui Zhou, Changpeng Li, Lin Huang, Jin Huang, Xinxiang Miao, Caizhen Yao, Xiaodong Jiang. Influence of vacuum baking O-rings on optical properties of laser system[J]. High Power Laser and Particle Beams, 2023, 35(6): 061004