Assessment of Laser Transmission Mirror Materials for ITER Edge Thomson Scattering Diagnostics

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概要

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• An assessment of in-vessel metallic mirror materials for the transmission of the laser beam used in the ITER edge Thomson scattering diagnostics is reported. The transient temperature increase due to the laser pulse irradiation on the laser transmission mirror is calculated by a one-dimensional heat conduction equation. Candidate mirror materials are discussed based on a comparison between the numerical calculation and current data relevant to the laser-induced damage threshold (LIDT). Gold, silver, and copper are considered promising because of its high reflectivity. The LIDT is evaluated considering multi-pulse effects and used to determine the necessary size for the laser transmission mirror for the ITER edge Thomson scattering diagnostics.

• 社団法人 プラズマ・核融合学会の論文

著者

• Voitsenya Vladimir

  Institute Of Plasma Physics Nsc Kipt

• HATAE Takaki

  Fusion Research and Development Directorate, Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193,Japan

• VOITSENYA Vladimir

  Institute of Plasma Physics, National Science Centre, Kharkov Institute of Science and Technology, Kharkov 61108, Ukraine

• KAJITA Shin

  Fusion Research and Development Directorate, Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193,Japan

関連論文

• X-Ray Emission Induced by 60 ke V High-Flux Copper Negative-Ion Implantation
• The Present State of Investigations on Stellarators in Kharkov
• Assessment of Laser Transmission Mirror Materials for ITER Edge Thomson Scattering Diagnostics

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