A synthetic diagnostics platform for microwave imaging diagnostics in tokamaks

Zihan LI; Shangchuan YANG; Xinhang XU; Lifu ZHANG; Chengming QU; Chengpu LI; Ge ZHUANG; Jinlin XIE

doi:10.1088/2058-6272/ad0d4c

Plasma Science and Technology > 2024 > 26(3): 034006. > DOI: 10.1088/2058-6272/ad0d4c

Zihan LI, Shangchuan YANG, Xinhang XU, Lifu ZHANG, Chengming QU, Chengpu LI, Ge ZHUANG, Jinlin XIE. A synthetic diagnostics platform for microwave imaging diagnostics in tokamaks[J]. Plasma Science and Technology, 2024, 26(3): 034006. DOI: 10.1088/2058-6272/ad0d4c

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A synthetic diagnostics platform for microwave imaging diagnostics in tokamaks

Department of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei 230026, People’s Republic of China

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Author Bio:
Jinlin XIE: jlxie@ustc.edu.cn
Corresponding author:
Jinlin XIE, jlxie@ustc.edu.cn
Received Date: June 29, 2023
Revised Date: September 21, 2023
Accepted Date: September 25, 2023
Available Online: April 14, 2024
Published Date: March 05, 2024

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Abstract

Abstract

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.

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References

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A synthetic diagnostics platform for microwave imaging diagnostics in tokamaks