Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

Hirotyuki Arakawa, Inagaki Shigeru, Yusuke Kosuga, Makoto Sasaki, Fumiyoshi Kin, Kazunobu Hasamada, Kotaro Yamasaki, Tatsuya Kobayashi, Takuma Yamada, Yoshihiko Nagashima, akihide fujisawa, Naohiro Kasuya, Kimitaka Itoh, Sanae I. Itoh

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)1450-1454
Number of pages5
JournalIEEJ Transactions on Electrical and Electronic Engineering
Volume14
Issue number10
DOIs
Publication statusPublished - Oct 1 2019

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Fluorescence spectroscopy
Temperature measurement
Plasma turbulence
Helicons
Lasers
Doppler effect
Ions
Velocity distribution
Distribution functions
Plasmas
Temperature
Electrons
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Ion temperature measurement by laser-induced fluorescence spectroscopy in panta. / Arakawa, Hirotyuki; Shigeru, Inagaki; 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.

In: IEEJ Transactions on Electrical and Electronic Engineering, Vol. 14, No. 10, 01.10.2019, p. 1450-1454.

Research output: Contribution to journalArticle

Arakawa, Hirotyuki ; Shigeru, Inagaki ; 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. / Ion temperature measurement by laser-induced fluorescence spectroscopy in panta. In: IEEJ Transactions on Electrical and Electronic Engineering. 2019 ; Vol. 14, No. 10. pp. 1450-1454.
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AU - Kin, Fumiyoshi

AU - Hasamada, Kazunobu

AU - Yamasaki, Kotaro

AU - Kobayashi, Tatsuya

AU - Yamada, Takuma

AU - Nagashima, Yoshihiko

AU - fujisawa, akihide

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AU - Itoh, Kimitaka

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