Rueda-Rueda J, García-Muñoz M, Viezzer E, Schneider P A, García-Domínguez J, Ayllon-Guerola J, Galdón-Quiroga J, Herrmann A, Du X D, Van Zeeland M A, Oyola P, Rodriguez-Ramos M
Department of Atomic, Molecular and Nuclear Physics, Av. Reina Mercedes s/n, 41012Seville, Spain.
Max Planck Institute for Plasma Physics, Boltzmannstr. 2, 85748 Garching, Germany.
Rev Sci Instrum. 2021 Apr 1;92(4):043554. doi: 10.1063/5.0043768.
An Imaging Neutral Particle Analyzer (INPA) diagnostic has been designed for the ASDEX Upgrade (AUG) tokamak. The AUG INPA diagnostic will measure fast neutrals escaping the plasma after charge exchange reactions. The neutrals will be ionized by a 20 nm carbon foil and deflected toward a scintillator by the local magnetic field. The use of a neutral beam injector (NBI) as an active source of neutrals will provide radially resolved measurements, while the use of a scintillator as an active component will allow us to cover the whole plasma along the NBI line with unprecedented phase-space resolution (<12 keV and 8 cm) and a fast temporal response (up to 1 kHz with the high resolution acquisition system and above 100 kHz with the low resolution one), making it suitable to study localized fast-ion redistributions in phase space.
已为ASDEX升级（AUG）托卡马克设计了一种成像中性粒子分析仪（INPA）诊断设备。AUG的INPA诊断设备将测量电荷交换反应后从等离子体中逸出的快中性粒子。中性粒子将被一张20纳米厚的碳箔电离，并通过局部磁场偏向一个闪烁体。使用中性束注入器（NBI）作为中性粒子的有源源将提供径向分辨测量，而使用闪烁体作为有源部件将使我们能够以前所未有的相空间分辨率（<12 keV和8厘米）和快速时间响应（高分辨率采集系统可达1 kHz，低分辨率采集系统高于100 kHz）覆盖沿NBI线的整个等离子体，使其适合研究相空间中的局部快离子再分布。
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