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首页> 外文期刊>Fusion Engineering and Design >Laser induced breakdown spectroscopy as diagnostics for fuel retention and removal and wall composition in fusion reactors with mixed-material components
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Laser induced breakdown spectroscopy as diagnostics for fuel retention and removal and wall composition in fusion reactors with mixed-material components

机译：激光诱导击穿光谱学作为混合材料组分聚变反应堆中燃料保留和去除以及壁成分的诊断方法

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摘要

In order to apply Laser Induced Breakdown Spectroscopy (LIBS) for diagnostics of fuel retention and removal and wall composition in ITER it is necessary to validate the method in terms of repeatability and quality of its results for mixed, especially ITER relevant materials and its sensitivity to thin layers which contain small amounts of retained fuel. The experiments, which are within the scope of this paper were carried out at the IPPLM Warsaw to assess the method for the laser treatment of ASDEX Upgrade (AUG) strike-point tiles and calibrated C:W:A1 samples prepared by the Institute of Electronic Materials Technology (IEMT). The samples under investigation contained hydrogen isotopes in the ITER-relevant mixed material layer (as the Beryllium analogue, Al was used). An electrostatic ion energy analyzer was used as the auxiliary diagnostics. The results proved that optical spectroscopy, although not straightforward in use, can give reliable results even for small amounts of fuel present in the mixed-material layer, although more effort should be put into investigating calibrated samples, to optimize the method itself and to yield a quantitative measure of fuel retention.
机译：为了将激光诱导击穿光谱法（LIBS）用于ITER中的燃料滞留和去除以及壁成分的诊断，有必要就混合方法（尤其是ITER相关材料）的可重复性和结果质量以及对该方法的敏感性进行验证。含有少量残留燃料的薄层。在本文范围内的实验是在IPPLM华沙进行的，旨在评估由电子学会制备的ASDEX升级（AUG）冲击点瓷砖和校准的C：W：A1样品的激光处理方法材料技术（IEMT）。被研究的样品在与ITER有关的混合材料层中包含氢同位素（作为铍类似物，使用Al）。静电离子能量分析仪用作辅助诊断程序。结果证明，尽管使用光谱不是简单易行，但即使对于混合材料层中存在的少量燃料，光谱也能给出可靠的结果，尽管应该加大力度研究校准样品，以优化方法本身并获得更高的产率。燃料保留量的定量度量。

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  • 来源
    《Fusion Engineering and Design》 |2011年第8期|p.1239-1242|共4页
  • 作者

    P. Gasior; M. Bieda; M. Kubkowska; R. Neu; J. Wolowski; ASDEX Upgrade Team;

  • 作者单位

    Institute of Plasma Physics and Laser Microfusion/EURATOM Assoc, ul. Hery 23, Warsaw, Poland;

    Faculty of Physics, Warsaw University of Technology, 75 Koszykowa, PL00662 Warsaw, Poland;

    Institute of Plasma Physics and Laser Microfusion/EURATOM Assoc, ul. Hery 23, Warsaw, Poland;

    Max-Planck-lnstitutfiirPlasmaphysik, EURATOM Assoc., D-85748 Garching, Germany;

    Institute of Plasma Physics and Laser Microfusion/EURATOM Assoc, ul. Hery 23, Warsaw, Poland;

    Max-Planck-lnstitutfiirPlasmaphysik, EURATOM Assoc., D-85748 Garching, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fuel removal; laser ablation; LIBS; PWI; first wall materials; ion diagnostics; pulsed lasers;

    机译：燃油清除;激光烧蚀LIBS;PWI;第一壁材料;离子诊断;脉冲激光;

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