Spatiotemporal dynamic characterization of laser-induced plasma of the mixed materials (WCCu) under variable ablation angles in a vacuum Huace Wu, Cong Li, Ding Wu, Shiming Liu, Zhenhua Hu, Chunlei Feng, Ran Hai, Ding Fang, Guangnan Luo and Hongbin Ding Abstract The real-time composition information of the surfaces of the plasma-facing components (PFCs) in the tokamak, especially the divertor region, is of great significance for understanding and revealing the plasma-wall interaction (PWI)...