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 Itoh

doi:10.1002/tee.22962

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 Itoh

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5 Citations (Scopus)

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, T_i/T_e, was evaluated to be ∼0.1. The result is valuable for evaluating the nonlinear processes of the plasma turbulence.

Original language	English
Pages (from-to)	1450-1454
Number of pages	5
Journal	IEEJ Transactions on Electrical and Electronic Engineering
Volume	14
Issue number	10
DOIs	https://doi.org/10.1002/tee.22962
Publication status	Published - Oct 1 2019

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1002/tee.22962

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Arakawa, H., Shigeru, I., Kosuga, Y., Sasaki, M., Kin, F., Hasamada, K., Yamasaki, K., Kobayashi, T., Yamada, T., Nagashima, Y., Fujisawa, A., Kasuya, N., Itoh, K., & Itoh, S. (2019). Ion temperature measurement by laser-induced fluorescence spectroscopy in panta. IEEJ Transactions on Electrical and Electronic Engineering, 14(10), 1450-1454. https://doi.org/10.1002/tee.22962

Arakawa, H, Shigeru, I, Kosuga, Y, Sasaki, M, Kin, F, Hasamada, K, Yamasaki, K, Kobayashi, T, Yamada, T , Nagashima, Y , Fujisawa, A , Kasuya, N, Itoh, K & Itoh, S 2019, 'Ion temperature measurement by laser-induced fluorescence spectroscopy in panta', IEEJ Transactions on Electrical and Electronic Engineering, vol. 14, no. 10, pp. 1450-1454. https://doi.org/10.1002/tee.22962

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title = "Ion temperature measurement by laser-induced fluorescence spectroscopy in panta",

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.",

author = "Hirotyuki Arakawa and Inagaki Shigeru and Yusuke Kosuga and Makoto Sasaki and Fumiyoshi Kin and Kazunobu Hasamada and Kotaro Yamasaki and Tatsuya Kobayashi and Takuma Yamada and Yoshihiko Nagashima and Akihide Fujisawa and Naohiro Kasuya and Kimitaka Itoh and Sanae Itoh",

note = "Funding Information: The authors thank Assistant Prof. K. Terasaka in Kyushu Univ. and Dr. S. Etoh in Central Research Institute of Electric Power Industry for useful comments and discussions. This work is supported by the grant-in-aid for Scientific Research of JSPS (17K14897, 17H06089, 16H02442, 15H02335, 15H02155), by the Collaborative Research Program of Research Institute for Applied Mechanics, Kyushu University, by Kyushu University Interdisciplinary Programs in Education and Projects in Research Development (26705); by Kyushu University QR Research Program (28315) and by the NIFS Collaboration Research program (NIFS17KOCH002). Publisher Copyright: {\textcopyright} 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.",

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doi = "10.1002/tee.22962",

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T1 - Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

AU - Arakawa, Hirotyuki

AU - Shigeru, Inagaki

AU - Kosuga, Yusuke

AU - Sasaki, Makoto

AU - Kin, Fumiyoshi

AU - Hasamada, Kazunobu

AU - Yamasaki, Kotaro

AU - Kobayashi, Tatsuya

AU - Yamada, Takuma

AU - Nagashima, Yoshihiko

AU - Fujisawa, Akihide

AU - Kasuya, Naohiro

AU - Itoh, Kimitaka

AU - Itoh, Sanae

N1 - Funding Information: The authors thank Assistant Prof. K. Terasaka in Kyushu Univ. and Dr. S. Etoh in Central Research Institute of Electric Power Industry for useful comments and discussions. This work is supported by the grant-in-aid for Scientific Research of JSPS (17K14897, 17H06089, 16H02442, 15H02335, 15H02155), by the Collaborative Research Program of Research Institute for Applied Mechanics, Kyushu University, by Kyushu University Interdisciplinary Programs in Education and Projects in Research Development (26705); by Kyushu University QR Research Program (28315) and by the NIFS Collaboration Research program (NIFS17KOCH002). Publisher Copyright: © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

PY - 2019/10/1

Y1 - 2019/10/1

N2 - 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.

AB - 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.

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JF - IEEJ Transactions on Electrical and Electronic Engineering

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Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

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