A synthetic diagnostics platform for microwave imaging diagnostics in tokamaks

被引：1

作者：

Li, Zihan ^{[1
]}

Yang, Shangchuan ^{[1
]}

Xu, Xinhang ^{[1
]}

Zhang, Lifu ^{[1
]}

Qu, Chengming ^{[1
]}

Li, Chengpu ^{[1
]}

Zhuang, Ge ^{[1
]}

Xie, Jinlin ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Plasma Phys & Fus Engn, Hefei 230026, Peoples R China

来源：

PLASMA SCIENCE & TECHNOLOGY | 2024年 / 26卷 / 03期

关键词：

synthetic diagnostics; tokamak plasmas; microwave imaging diagnostics; microwave imaging reflectometer; electron cyclotron emission imaging; ELECTRON-CYCLOTRON EMISSION; PERFECTLY MATCHED LAYER; REFLECTOMETRY; ABSORPTION; SIMULATION; PLASMAS;

D O I：

10.1088/2058-6272/ad0d4c

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Interpreting experimental diagnostics data in tokamaks, while considering non-ideal effects, is challenging due to the complexity of plasmas. To address this challenge, a general synthetic diagnostics (GSD) platform has been established that facilitates microwave imaging reflectometry and electron cyclotron emission imaging. This platform utilizes plasma profiles as input and incorporates the finite-difference time domain, ray tracing and the radiative transfer equation to calculate the propagation of plasma spontaneous radiation and the external electromagnetic field in plasmas. Benchmark tests for classical cases have been conducted to verify the accuracy of every core module in the GSD platform. Finally, 2D imaging of a typical electron temperature distribution is reproduced by this platform and the results are consistent with the given real experimental data. This platform also has the potential to be extended to 3D electromagnetic field simulations and other microwave diagnostics such as cross-polarization scattering.

引用

页数：8

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