铝合金焊前激光清洗的等离子体光谱在线检测
佟艳群1, 陆勤慧1, 周建忠1, 姚红兵1, 叶云霞2, 任旭东1,*

On-Line Plasma Spectrum Detection of Laser Cleaning of Aluminum Alloy Before Welding
TONG Yan-qun1, LU Qin-hui1, ZHOU Jian-zhong1, YAO Hong-bing1, YE Yun-xia2, REN Xu-dong1,*
激光击穿空气的光谱特性 (a): 空气等离子光谱图; (b): 不同激光能量的特征谱线平均强度