The influence of ambient gas on laser produced plasmas and the crater morphology of laser-ablated Al

30th International Conference on Photonic, Electronic, and Atomic Collisions

Sun, D.X.^1 ; Wang, Y.Q.^1 ; Su, M.G.^1 ; Min, Q.^1 ; Cao, S.Q.^1 ; Dong, C.Z.^1

Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Engineering, Northwest Normal University, Lanzhou, Gansu

730070, China^1

关键词: Ambient gas;    Crater morphology;    Electron number densities;    Plasma emission;    Plasma lifetime;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/3/022010/pdf
DOI  :  10.1088/1742-6596/875/3/022010

来源: IOP

【 摘 要 】

Synopsis In this work, the influence of the ambient gas (N2, O2, Ar and He) on the plasma emission signal, plasma lifetime, electron number density and temperature, as well as the crater morphology of laser-ablated Al has been studied experimentally.