Key Results in 2021: LIBS Analysis for Fusion Applications
Explore the latest findings in Laser-Induced Breakdown Spectroscopy (LIBS) analysis focusing on absolute composition and deuterium content in coatings for fusion reactors. Contributions in conferences highlight investigations on tungsten-tantalum coatings and fuel retention control in plasma-facing materials. Discover the cutting-edge research in fusion technology and materials science.
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SP X-2: CU Pavel Veis, Alicia Marin Roldan, Vishal Dwivedi, Matej Veis, Sahithya Atikukke, Matej Pisar k
Key results in 2021 Comparison ps vs. ns LIBS regarding absolute composition and D content in reference and ITER-relevant coatings which can include impurities (FZJ, CU, UT, ISSPUL, CEA) (CF-) LIBS (ps, ns SP or DP) on samples (if available) from different devices (tokamaks or W-7X) (collab. SP B) (ISSP UL, CU, UT, VTT, FZJ, ENEA) (CF-)LIBS on Be containing coatings with different type of fuel content (VTT, UT, CU) CF-LIBS on produced reference samples before and after He loading (FZJ, CU, UT, ENEA) P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 2
Key results in 2021 Comparison ps vs. ns LIBS regarding absolute composition and D content in reference and ITER-relevant coatings which can include impurities (FZJ, CU, UT, ISSPUL, CEA) (CF-) LIBS (ps, ns SP or DP) on samples (if available) from different devices (tokamaks or W-7X) (collab. SP B) (ISSP UL, CU, UT, VTT, FZJ, ENEA) (CF-)LIBS on Be containing coatings with different type of fuel content (VTT, UT, CU) CF-LIBS on produced reference samples before and after He loading (FZJ, CU, UT, ENEA) P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 3
Key results in 2021 Comparison ps vs. ns LIBS regarding absolute composition and D content in reference and ITER-relevant coatings which can include impurities (FZJ, CU, UT, ISSPUL, CEA) (CF-) LIBS (ps, ns SP or DP) on samples (if available) from different devices (tokamaks or W-7X) (collab. SP B) (ISSP UL, CU, UT, VTT, FZJ, ENEA) (CF-)LIBS on Be containing coatings with different type of fuel content (VTT, UT, CU) CF-LIBS on produced reference samples before and after He loading (FZJ, CU, UT, ENEA) Contributions in conferences: - VD: LIBS investigation of Tungsten- Tantalum (W-Ta) coating for future fusion applications using nanosecond laser excitation (PFMC18) - AMR: Comparison of ns/ps CF-LIBS Analysis of WZr for Future Fusion Applications (PFMC18) - SA: Laser ablation-based spectroscopic study of pure Sn and Sn-related alloys (PFMC18) - VD: CF-LIBS study for main elements and retained fuel quantification in W-based coatings (ICFRM) - MV: CF-LIBS Deuterium quantification in Tungsten-Tantalum (WTa-D) Coatings for Fuel Retention Control in Plasma-Facing Materials (EMSLIBS Nov.-Dec. 2021) P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 4
Key results in 2021 Comparison ps vs. ns LIBS regarding absolute composition and D content in reference and ITER-relevant coatings which can include impurities (FZJ, CU, UT, ISSPUL, CEA) (CF-) LIBS (ps, ns SP or DP) on samples (if available) from different devices (tokamaks or W-7X) (collab. SP B) (ISSP UL, CU, UT, VTT, FZJ, ENEA) (CF-)LIBS on Be containing coatings with different type of fuel content (VTT, UT, CU) CF-LIBS on produced reference samples before and after He loading (FZJ, CU, UT, ENEA) COVID no trips to VTT for measuring P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 5
Key results in 2021 Comparison ps vs. ns LIBS regarding absolute composition and D content in reference and ITER-relevant coatings which can include impurities (FZJ, CU, UT, ISSPUL, CEA) (CF-) LIBS (ps, ns SP or DP) on samples (if available) from different devices (tokamaks or W-7X) (collab. SP B) (ISSP UL, CU, UT, VTT, FZJ, ENEA) (CF-)LIBS on Be containing coatings with different type of fuel content (VTT, UT, CU) CF-LIBS on produced reference samples before and after He loading (FZJ, CU, UT, ENEA) Samples missing delayed to next year P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 6
Plans for the future We plan to study 1/ RE LIBS and 2/ LIF in combination with LA for increase the LOD. (CF-)LIBS quantitative analysis of samples (ns, ps) in combination with depth profiling. New NT342 ns tunable OPO laser in our LAB. P. Veis, A. Marin Roldan | SP X-2 Kick off Meeting | 8 Nov 2021 | Page 6
