Simulation Study of Ultrashort-Pulse Reflectometry by Signal Record Analysis

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概要

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• Reflectometry is expected to be come one of the key diagnostic tools for measuring density profiles in large fusion devices. It provides good spatial and temporal resolutions, while requires only a single viewing chord and minimal vacuum access, in contrast to interferometry and Thomson scattering. We applied an ultrashort-pulse reflectometer (USPR) to Large Helical Device (LHD) at the National Institute for Fusion Science (NIFS), and a signal record analysis (SRA) method was used as a reconstruction method. Here, we report a simulation study of USPR conducted using a finite-difference time domain (FDTD) method to confirm the effectiveness of the SRA reconstruction method.

• 社団法人 プラズマ・核融合学会の論文

著者

• KOGI Yuichiro

  Kyushu University, Fukuoka 816-8580, Japan

• BRUSKIN Leonid

  Kyushu University, Fukuoka 816-8580, Japan

関連論文

• Simulation Study of Ultrashort-Pulse Reflectometry by Signal Record Analysis

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