Effect of laser ablation angles on the ablated depth/mass and spectral intensity of laser-induced plasma on EAST-like plasma-facing materials in a vacuum

H Wu, D Wu, C Li, L Li, X Bai, X Hu, Z He, Y Lyu… - … Acta Part B: Atomic …, 2023 - Elsevier
Real-time acquisition of the dynamic information on the surface elemental composition of the
first wall, especially in the divertor region, is of great significance for understanding the …

Study of spectral intensity of the laser ablated tungsten plasma and ablation mass at various laser spot sizes and laser fluence in vacuum environment

J Liu, D Wu, X Hu, S Liu, H Wu, R Hai, C Li… - Spectrochimica Acta Part …, 2023 - Elsevier
The ablation features such as spot size and crater volume are essential parameters for the in-
situ laser-induced breakdown spectroscopy (LIBS) technique to be well applied in the …

The effect of ablation angle on intensity of laser-induced breakdown spectroscopy under vacuum

Y Jia, Y Wang, L Gao, T Chen, Q Xiao, D Wu - Physica Scripta, 2021 - iopscience.iop.org
The in situ diagnostic of the composition and content of the first wall materials in tokamak
devices is an important research interest of the plasma-wall interaction. Laser-induced …

Spatiotemporal dynamic characterization of the laser-induced plasma of a mixed material (WCCu) under variable ablation angles in a vacuum

H Wu, C Li, D Wu, S Liu, Z Hu, C Feng, R Hai… - Journal of Analytical …, 2022 - pubs.rsc.org
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 …

Temporal and spatial dynamics of optical emission from laser ablation of the first wall materials of fusion device

Z Dongye, LI Cong, W Yong, W Zhiwei… - Plasma Science and …, 2017 - iopscience.iop.org
Laser-induced breakdown spectroscopy (LIBS) has been developed to in situ diagnose the
chemical compositions of the first wall in the EAST tokamak. However, the dynamics of …

Characterization of laser-induced breakdown spectroscopy on tungsten at variable ablation angles using a coaxial system in a vacuum

H Wu, C Li, D Wu, J Liu, Z He, Q Li, S Yuan… - Journal of Analytical …, 2021 - pubs.rsc.org
As an in situ and remote diagnostic technique, laser-induced breakdown spectroscopy
(LIBS) has been well proven to detect the elemental distribution on plasma-facing materials …

Characterization of Li deposition on the first wall of EAST using laser-induced breakdown spectroscopy

R Hai, C Li, H Wang, H Ding, H Zhuo, J Wu… - Journal of Nuclear …, 2013 - Elsevier
Our recent investigations have indicated that laser-induced breakdown spectroscopy (LIBS)
may have great potential in the monitoring of the deposition features of plasma-facing …

Collinear double-pulse laser-induced breakdown spectroscopy as an in-situ diagnostic tool for wall composition in fusion devices

R Hai, P Liu, D Wu, H Ding, J Wu, GN Luo - Fusion Engineering and Design, 2014 - Elsevier
Our recent investigations have indicated the potential of double-pulse laser-induced
breakdown spectroscopy (DP-LIBS) for analysis of the deposited impurity on divertor tiles in …

Preliminary results of in situ laser-induced breakdown spectroscopy for the first wall diagnostics on EAST

Z Hu, C Li, Q Xiao, P Liu, F Ding, H Mao… - Plasma Science and …, 2017 - iopscience.iop.org
Post-mortem methods cannot fulfill the requirement of monitoring the lifetime of the plasma
facing components (PFC) and measuring the tritium inventory for the safety evaluation …

Parameter optimization of the spectral emission of laser-induced tungsten plasma for tokamak wall diagnosis at different pressures

D Wu, L Sun, J Liu, Y Lyu, H Wu, S Yuan… - Journal of Analytical …, 2021 - pubs.rsc.org
Laser-induced breakdown spectroscopy (LIBS) is a promising method for the in situ online
diagnosis of plasma–wall interaction processes in tokamaks. The effect of gas pressure on …