Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the hαtransition

Katsunori Muraoka; Kiichiro Uchino; Yoshio Itsumi; Makoto Hamamoto; Mitsuo Maeda; Masanori Akazaki; Toshikazu Kawamoto; Ryuhei Kumazawa; Shoichi Okamura; Keizō Adati; Takashi Aoki; Hideki Fujita; Kazutoshi Hattori; Shigeru Hidekuma; Yoshimi Okubo; Teruyuki Sato; Harold R. Garner; Dan R. Baker; Harry D. Price

doi:10.1143/JJAP.24.L59

Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the h_αtransition

Katsunori Muraoka, Kiichiro Uchino, Yoshio Itsumi, Makoto Hamamoto, Mitsuo Maeda, Masanori Akazaki, Toshikazu Kawamoto, Ryuhei Kumazawa, Shoichi Okamura, Keizō Adati, Takashi Aoki, Hideki Fujita, Kazutoshi Hattori, Shigeru Hidekuma, Yoshimi Okubo, Teruyuki Sato, Harold R. Garner, Dan R. Baker, Harry D. Price

電気理工学

研究成果: Contribution to journal › Article › 査読

7 被引用数 (Scopus)

抄録

To assist in the study of the power balance in a linear confinement machine, atomic hydrogen-density profiles in plasmas of the RFC-XX-M device were measured using laser fluorescence spectroscopy tuned to the Balmer alpha line. Measured profiles showed marked decreases of neutral densities in the centre of the plasma, which are explained by charge-exchange and electron ionization pumping by the plasma. It is important to note that the neutrals are well burned out in the central cell, N₁/N_e≲ 0. 01. Further, charge-exchange losses are quantitatively evaluated and discussed from the neutral-density profiles and parameters of the plasma.

本文言語	英語
ページ（範囲）	59-61
ページ数	3
ジャーナル	Japanese Journal of Applied Physics
巻	24
号	1
DOI	https://doi.org/10.1143/JJAP.24.L59
出版ステータス	出版済み - 1 1985

All Science Journal Classification (ASJC) codes

工学（全般）
物理学および天文学（全般）

文献へのアクセス

10.1143/JJAP.24.L59

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引用スタイル

Muraoka, K., Uchino, K., Itsumi, Y., Hamamoto, M., Maeda, M., Akazaki, M., Kawamoto, T., Kumazawa, R., Okamura, S., Adati, K., Aoki, T., Fujita, H., Hattori, K., Hidekuma, S., Okubo, Y., Sato, T., Garner, H. R., Baker, D. R., & Price, H. D. (1985). Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the h_αtransition. Japanese Journal of Applied Physics, 24(1), 59-61. https://doi.org/10.1143/JJAP.24.L59

Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the h_αtransition. / Muraoka, Katsunori; Uchino, Kiichiro; Itsumi, Yoshio; Hamamoto, Makoto; Maeda, Mitsuo; Akazaki, Masanori; Kawamoto, Toshikazu; Kumazawa, Ryuhei; Okamura, Shoichi; Adati, Keizō; Aoki, Takashi; Fujita, Hideki; Hattori, Kazutoshi; Hidekuma, Shigeru; Okubo, Yoshimi; Sato, Teruyuki; Garner, Harold R.; Baker, Dan R.; Price, Harry D.

In: Japanese Journal of Applied Physics, Vol. 24, No. 1, 01.1985, p. 59-61.

研究成果: Contribution to journal › Article › 査読

Muraoka, K, Uchino, K, Itsumi, Y, Hamamoto, M, Maeda, M, Akazaki, M, Kawamoto, T, Kumazawa, R, Okamura, S, Adati, K, Aoki, T, Fujita, H, Hattori, K, Hidekuma, S, Okubo, Y, Sato, T, Garner, HR, Baker, DR & Price, HD 1985, 'Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the h_αtransition', Japanese Journal of Applied Physics, vol. 24, no. 1, pp. 59-61. https://doi.org/10.1143/JJAP.24.L59

Muraoka, Katsunori ; Uchino, Kiichiro ; Itsumi, Yoshio ; Hamamoto, Makoto ; Maeda, Mitsuo ; Akazaki, Masanori ; Kawamoto, Toshikazu ; Kumazawa, Ryuhei ; Okamura, Shoichi ; Adati, Keizō ; Aoki, Takashi ; Fujita, Hideki ; Hattori, Kazutoshi ; Hidekuma, Shigeru ; Okubo, Yoshimi ; Sato, Teruyuki ; Garner, Harold R. ; Baker, Dan R. ; Price, Harry D. / Measurements of atomic hydrogen-density profiles in the rfc-xx-m machine using laser fluorescence spectroscopy at the h_αtransition. In: Japanese Journal of Applied Physics. 1985 ; Vol. 24, No. 1. pp. 59-61.

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abstract = "To assist in the study of the power balance in a linear confinement machine, atomic hydrogen-density profiles in plasmas of the RFC-XX-M device were measured using laser fluorescence spectroscopy tuned to the Balmer alpha line. Measured profiles showed marked decreases of neutral densities in the centre of the plasma, which are explained by charge-exchange and electron ionization pumping by the plasma. It is important to note that the neutrals are well burned out in the central cell, N1/Ne≲ 0. 01. Further, charge-exchange losses are quantitatively evaluated and discussed from the neutral-density profiles and parameters of the plasma.",

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AU - Muraoka, Katsunori

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AU - Hamamoto, Makoto

AU - Maeda, Mitsuo

AU - Akazaki, Masanori

AU - Kawamoto, Toshikazu

AU - Kumazawa, Ryuhei

AU - Okamura, Shoichi

AU - Adati, Keizō

AU - Aoki, Takashi

AU - Fujita, Hideki

AU - Hattori, Kazutoshi

AU - Hidekuma, Shigeru

AU - Okubo, Yoshimi

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AU - Price, Harry D.

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