Charge exchange neutral particle analysis with natural diamond detectors on LHD heliotron
Charge exchange neutral particle analysis with natural diamond detectors on LHD heliotron
复制标题
使用 LHD 日光管上的天然金刚石探测器进行电荷交换中性粒子分析
DOI：
10.1063/1.1318250
复制
发表时间：
2001
影响因子：
1.6
通讯作者：
O. Motojima
中科院分区：
文献类型：
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作者：
M. Isobe;M. Sasao;S. Iiduka;A. Krasilnikov;S. Murakami;T. Mutoh;M. Osakabe;S. Sudo;K. Kawahata;N. Ohyabu;O. Motojima
在大型螺旋装置(LHD)氦加速器上安装了基于天然钻石的半导体探测器，从不同视角测量电荷交换快中性粒子的能量分布。天然钻石探测器(NDD)的优点是(1)非常紧凑，(2)相对容易操作，(3)高能量分辨率。虽然NDDS对可见光、真空紫外线和软X射线很敏感，但通过选择合适的不锈钢屏蔽层，这些辐射产生的不利脉冲大大减少了。在LHD中，成功地获得了反方向束流离子的时间分辨能量分布和频率产生的高能离子的离子回旋范围。整个工作证明了NDDS作为中性粒子分析器的性能以及它对LHD等离子体的良好适应性。
Semiconductor detectors based on natural diamonds have been installed on the Large Helical Device (LHD) heliotron to measure the energy distribution of charge exchange fast neutral particles from different viewing angles. Advantages of a natural diamond detector (NDD) are (1) very compact size, (2) relatively easy handling, and (3) high energy resolution. Although NDDs are sensitive to visible light, vacuum ultraviolet, and soft x rays, unfavorable pulses produced by such radiation were greatly reduced by choosing an appropriate stainless steel shield in this experiment. In LHD, the time-resolved energy distribution of counter-going beam ions and ion cyclotron range of frequency-produced energetic ions have been successfully obtained by means of an NDD. The performance of NDDs as a neutral particle analyzer and its good suitability to LHD plasmas were demonstrated throughout this work.
S. Sudo、Y. Nagayama、M. Emoto、M. Goto、Y. Hamada、K. Ida、T. Ido、H. Iguchi、S. Inagaki、M. Isobe、K. Kawahata、K. KMopenkov、S.
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