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- Title
Ion temperature measurement by laser‐induced fluorescence spectroscopy in panta.
- Authors
Arakawa, Hirotyuki; Inagaki, Shigeru; Kosuga, Yusuke; Sasaki, Makoto; Kin, Fumiyoshi; Hasamada, Kazunobu; Yamasaki, Kotaro; Kobayashi, Tatsuya; Yamada, Takuma; Nagashima, Yoshihiko; Fujisawa, Akihide; Kasuya, Naohiro; Itoh, Kimitaka; Itoh, Sanae‐I
- Abstract
A laser‐induced fluorescence spectroscopy system was developed in a linear magnetized helicon plasma at Kyushu University. The thermal Doppler broadening on velocity distribution function follows the Maxwell distribution, and the averaged central ion temperature was evaluated to be ∼0.36 eV. The effect of Zeeman splitting was observed for a more accurate assessment of the measurement and is consistent with the calculation. The temperature ratio of electrons and ions, Ti/Te, was evaluated to be ∼0.1. The result is valuable for evaluating the nonlinear processes of the plasma turbulence. © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
- Subjects
FLUORESCENCE spectroscopy; ION temperature; TEMPERATURE measurements; ZEEMAN effect; JOHN Wiley &; Sons Inc.; LASER spectroscopy; PLASMA turbulence; LASER-induced fluorescence
- Publication
IEEJ Transactions on Electrical & Electronic Engineering, 2019, Vol 14, Issue 10, p1450
- ISSN
1931-4973
- Publication type
Article
- DOI
10.1002/tee.22962