Design of Thomson scattering diagnostic system on linear magnetized plasma device

Mengmeng XU; Qiaofeng ZHANG; Jinlin XIE

doi:10.1088/2058-6272/ac6d43

Plasma Science and Technology > 2022 > 24(6): 064008. > DOI: 10.1088/2058-6272/ac6d43

Mengmeng XU, Qiaofeng ZHANG, Jinlin XIE. Design of Thomson scattering diagnostic system on linear magnetized plasma device[J]. Plasma Science and Technology, 2022, 24(6): 064008. DOI: 10.1088/2058-6272/ac6d43

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Design of Thomson scattering diagnostic system on linear magnetized plasma device

1.
Department of Plasma Physics and Fusion Engineering, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, People's Republic of China
2.
CAS Key Lab of Geoscience Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, People's Republic of China

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Author Bio:
Jinlin XIE: E-mail: jlxie@ustc.edu.cn
Received Date: November 10, 2021
Revised Date: April 29, 2022
Accepted Date: May 04, 2022
Available Online: December 12, 2023
Published Date: June 13, 2022

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Abstract

Abstract

In addition to the magnetic confinement fusion plasma, Thomson scattering has been applied to measure electron density and temperature of low-temperature plasmas. Based on a linear magnetized plasma device, a set of Thomson scattering diagnostic system is designed to diagnose the plasma with $n_{e} = 10^{18} – 10^{19} m^{- 3}$ and $T_{e} = 2 – 5$ eV. Due to low plasma temperature and density, this diagnostic system needs high spectral resolution and collection efficiency to meet the requirements of electron velocity distribution function measurements. Through the bench test, it is confirmed that the spectral resolution reaches 0.01 nm, and theoretical collection efficiency is high enough to obtain a Thomson scattering spectrum by 1000 accumulations.
- Thomson scattering,
- low temperature plasma,
- EVDF

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References (15)

References

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