Asphericalizing the Light Collection Mirror for the 200-Point Thomson Scattering Diagnostic Installed on the Large Helical Device

Asphericalizing the Light Collection Mirror for the 200-Point Thomson Scattering Diagnostic Installed on the Large Helical Device

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摘要 Shown is a possibility to make the image of a laser beam over a distance of 2.5 m, formed by the spherical multi-segment mirror installed in LHD, twice sharper by suitably adjusting the inclination of each segment mirror, which is equivalent to making the mirror surface aspherical. This will further enhance the attractiveness of a mirror-based Thomson scattering system. Shown is a possibility to make the image of a laser beam over a distance of 2.5 m, formed by the spherical multi-segment mirror installed in LHD, twice sharper by suitably adjusting the inclination of each segment mirror, which is equivalent to making the mirror surface aspherical. This will further enhance the attractiveness of a mirror-based Thomson scattering system.

作者 Kazumichi NARIHARA Hiroshi HAYASHI

机构地区 National Institute for Fusion Science

出处《Plasma Science and Technology》 SCIE EI CAS CSCD 2011年第4期415-419,共5页 等离子体科学和技术（英文版）

基金 supported by the LHD project(NIFS09ULHH502) by the JSPS-CAS Core-University program in the field of 'Plasma and Nuclear Fusion'

关键词 Thomson scattering LHD aspherical mirror Thomson scattering, LHD, aspherical mirror

分类号 O536 [理学—等离子体物理] TN249 [电子电信—物理电子学]

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Asphericalizing the Light Collection Mirror for the 200-Point Thomson Scattering Diagnostic Installed on the Large Helical Device

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