Helicon plasma discharge in a toroidal magnetic field of the tokamak

C. G. Jin; T. Yu; Y. Zhao; Y. Bo; C. Ye; J. S. Hu; L. J. Zhuge; S. B. Ge; X. M. Wu; H. T. Ji; J. G. Li

doi:10.1109/TPS.2011.2161344

Helicon plasma discharge in a toroidal magnetic field of the tokamak

C. G. Jin, T. Yu, Y. Zhao, Y. Bo, C. Ye, J. S. Hu, L. J. Zhuge, S. B. Ge, X. M. Wu, H. T. Ji, J. G. Li

Astrophysical Sciences

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A helicon wave plasma (HWP) discharge in an experimental advanced superconducting tokamak device with a toroidal magnetic field of 2 T is investigated. The HWP with an electron density of 10¹²cm^-3 was produced with two 4-turn flat spiral antennas in series that are perpendicular to the toroidal magnetic field and driven by a 13.56-MHz radio-frequency (RF) source at a power of 1500 W, a toroidal magnetic field of 2 T, and a pressure (helium) of 1 Pa. The increase of the toroidal magnetic field from 0.5 to 2 T, the increase of the RF power from 500 to 1500 W, and the decrease of the pressure (helium) from 1 to 0.01 Pa were found to improve the plasma uniformity from the CCD images.

Original language	English (US)
Article number	5985545
Pages (from-to)	3103-3107
Number of pages	5
Journal	IEEE Transactions on Plasma Science
Volume	39
Issue number	11 PART 2
DOIs	https://doi.org/10.1109/TPS.2011.2161344
State	Published - Nov 2011

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Condensed Matter Physics

Keywords

Experimental advanced superconducting tokamak (EAST)
helicon
strong magnetic field

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10.1109/TPS.2011.2161344

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title = "Helicon plasma discharge in a toroidal magnetic field of the tokamak",

abstract = "A helicon wave plasma (HWP) discharge in an experimental advanced superconducting tokamak device with a toroidal magnetic field of 2 T is investigated. The HWP with an electron density of 1012cm-3 was produced with two 4-turn flat spiral antennas in series that are perpendicular to the toroidal magnetic field and driven by a 13.56-MHz radio-frequency (RF) source at a power of 1500 W, a toroidal magnetic field of 2 T, and a pressure (helium) of 1 Pa. The increase of the toroidal magnetic field from 0.5 to 2 T, the increase of the RF power from 500 to 1500 W, and the decrease of the pressure (helium) from 1 to 0.01 Pa were found to improve the plasma uniformity from the CCD images.",

keywords = "Experimental advanced superconducting tokamak (EAST), helicon, strong magnetic field",

author = "Jin, {C. G.} and T. Yu and Y. Zhao and Y. Bo and C. Ye and Hu, {J. S.} and Zhuge, {L. J.} and Ge, {S. B.} and Wu, {X. M.} and Ji, {H. T.} and Li, {J. G.}",

note = "Funding Information: Manuscript received January 29, 2011; revised May 12, 2011; accepted June 22, 2011. Date of publication August 15, 2011; date of current version November 9, 2011. This work was supported in part by the National Magnetic Confinement Fusion Science Program under Grants 2010GB106000 and 2010GB106009, by the National Natural Science Foundation of China under Grants 10975106, 10975105, and 11075114, by the Qing Lan Project, and by a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.",

year = "2011",

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doi = "10.1109/TPS.2011.2161344",

language = "English (US)",

volume = "39",

pages = "3103--3107",

journal = "IEEE Transactions on Plasma Science",

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TY - JOUR

T1 - Helicon plasma discharge in a toroidal magnetic field of the tokamak

AU - Jin, C. G.

AU - Yu, T.

AU - Zhao, Y.

AU - Bo, Y.

AU - Ye, C.

AU - Hu, J. S.

AU - Zhuge, L. J.

AU - Ge, S. B.

AU - Wu, X. M.

AU - Ji, H. T.

AU - Li, J. G.

N1 - Funding Information: Manuscript received January 29, 2011; revised May 12, 2011; accepted June 22, 2011. Date of publication August 15, 2011; date of current version November 9, 2011. This work was supported in part by the National Magnetic Confinement Fusion Science Program under Grants 2010GB106000 and 2010GB106009, by the National Natural Science Foundation of China under Grants 10975106, 10975105, and 11075114, by the Qing Lan Project, and by a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

PY - 2011/11

Y1 - 2011/11

N2 - A helicon wave plasma (HWP) discharge in an experimental advanced superconducting tokamak device with a toroidal magnetic field of 2 T is investigated. The HWP with an electron density of 1012cm-3 was produced with two 4-turn flat spiral antennas in series that are perpendicular to the toroidal magnetic field and driven by a 13.56-MHz radio-frequency (RF) source at a power of 1500 W, a toroidal magnetic field of 2 T, and a pressure (helium) of 1 Pa. The increase of the toroidal magnetic field from 0.5 to 2 T, the increase of the RF power from 500 to 1500 W, and the decrease of the pressure (helium) from 1 to 0.01 Pa were found to improve the plasma uniformity from the CCD images.

AB - A helicon wave plasma (HWP) discharge in an experimental advanced superconducting tokamak device with a toroidal magnetic field of 2 T is investigated. The HWP with an electron density of 1012cm-3 was produced with two 4-turn flat spiral antennas in series that are perpendicular to the toroidal magnetic field and driven by a 13.56-MHz radio-frequency (RF) source at a power of 1500 W, a toroidal magnetic field of 2 T, and a pressure (helium) of 1 Pa. The increase of the toroidal magnetic field from 0.5 to 2 T, the increase of the RF power from 500 to 1500 W, and the decrease of the pressure (helium) from 1 to 0.01 Pa were found to improve the plasma uniformity from the CCD images.

KW - Experimental advanced superconducting tokamak (EAST)

KW - helicon

KW - strong magnetic field

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Helicon plasma discharge in a toroidal magnetic field of the tokamak

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