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首页> 外文期刊>Plasma and Fusion Research >Electron Temperature Measurement on QUEST Spherical Tokamak by Thomson Scattering System
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Electron Temperature Measurement on QUEST Spherical Tokamak by Thomson Scattering System

机译：用汤姆森散射系统测量QUEST球形托卡马克上的电子温度

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On QUEST, we are carrying out the steady state operation by RF current drive. A Thomson scattering (TS) system has been constructed to measure the plasma electron temperature. This system consists of a Nd:YAG laser of energy 1.65 J, a spherical mirror for collection of the scattering light, and a polychromator for spectroscopy. Because the Thomson scattering signal is weak for the low-density RF-sustained plasma, many scattering pulse signals were accumulated from steady-state plasmas. Electron temperature profiles were obtained for the steadystate spherical tokamak (ST) plasma for the first time. Six spatial points were measured by moving the fiber position, and the plasma electron temperature was in the range 10-500 eV.
机译：在QUEST上，我们正在通过RF电流驱动进行稳态操作。已经构建了汤姆森散射（TS）系统来测量等离子体电子温度。该系统由能量为1.65 J的Nd：YAG激光器，用于收集散射光的球面镜和用于光谱学的多色仪组成。由于Thomson散射信号对于低密度RF维持的等离子体较弱，因此许多散射脉冲信号是从稳态等离子体中累积的。首次获得稳态球形托卡马克（ST）等离子体的电子温度曲线。通过移动纤维位置来测量六个空间点，并且等离子体电子温度在10-500 eV的范围内。

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