Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The measurement of plasma-facing materials’ topography variation by means of temporal phase-shifting speckle interferometry technique
Temporal phase-shifting speckle interferometry is proposed to measure plasma-facing materials’ (PFMs) topography variation in tokamak. In this approach, laser ablation method is used to simulate erosion and redeposition, and polished molybdenum/tungsten (Mo/W) samples which are related to PFMs have been tested. The geometric topography of the ablated area was reconstructed successfully via a numerical model developed in this work. The results demonstrate the feasibility of temporal phase-shifting speckle interferometry applied to topography measurement of PFMs. Keywords: Tokamak, Speckle interferometry, Plasma-facing materials, Topography measurement
The measurement of plasma-facing materials’ topography variation by means of temporal phase-shifting speckle interferometry technique
Temporal phase-shifting speckle interferometry is proposed to measure plasma-facing materials’ (PFMs) topography variation in tokamak. In this approach, laser ablation method is used to simulate erosion and redeposition, and polished molybdenum/tungsten (Mo/W) samples which are related to PFMs have been tested. The geometric topography of the ablated area was reconstructed successfully via a numerical model developed in this work. The results demonstrate the feasibility of temporal phase-shifting speckle interferometry applied to topography measurement of PFMs. Keywords: Tokamak, Speckle interferometry, Plasma-facing materials, Topography measurement
The measurement of plasma-facing materials’ topography variation by means of temporal phase-shifting speckle interferometry technique
Xiaoqian Cui (Autor:in) / Hongbei Wang (Autor:in) / Mengge Zhao (Autor:in) / Guangnan Luo (Autor:in) / Hongbin Ding (Autor:in)
2017
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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