Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

Hirotyuki Arakawa, Shigeru Inagaki, 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 journalArticlepeer-review

8 Citations (Scopus)


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
Issue number10
Publication statusPublished - Oct 1 2019

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


Dive into the research topics of 'Ion temperature measurement by laser-induced fluorescence spectroscopy in panta'. Together they form a unique fingerprint.

Cite this