用于二维观测磁化等离子体波动的层析成像系统。

Tomography system for two-dimensional observation of fluctuation in magnetized plasma.

作者信息

Yamasaki K, Fujisawa A, Nagashima Y, Moon C, Inagaki S, Yamada T

机构信息

Research Institute for Applied Mechanics, Kyushu University, Kasuga 816-8580, Japan.

Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan.

出版信息

Rev Sci Instrum. 2020 Mar 1;91(3):033502. doi: 10.1063/1.5144480.

DOI:10.1063/1.5144480

PMID:32259999

Abstract

A tomography system is developed for observing local fluctuations, pursuing higher spatial resolution, over the entire plasma of a linear cylindrical plasma. The system is equipped with totally 126 lines-of-sight that are distributed equally to six sets of light guide arrays placed around the plasma. The system has succeeded in measuring the two-dimensional structure of plasma emission and resolving coherent fluctuation structures, with spatial resolution comparable to the ion Larmor radius.

摘要

开发了一种层析成像系统，用于在整个线性圆柱形等离子体中观察局部波动，追求更高的空间分辨率。该系统总共配备了126个视线，这些视线均匀分布在围绕等离子体放置的六组光导阵列中。该系统成功测量了等离子体发射的二维结构并解析了相干波动结构，其空间分辨率与离子拉莫尔半径相当。