Discharge initiation by ICRF antenna in IShTAR

Matěj Tripský; Tom Wauters; Rodolphe D'Inca; Kristel Crombé; Jonathan Jacquot; Roman Ochoukov; Fabrice Louche; Mariia Usoltceva; Ana Kostic; Anatoli Lyssoivan; Jean Marie Noterdaeme; Michael Van Schoor

doi:10.1051/epjconf/201715703056

Discharge initiation by ICRF antenna in IShTAR

Matěj Tripský, Tom Wauters, Rodolphe D'Inca, Kristel Crombé, Jonathan Jacquot, Roman Ochoukov, Fabrice Louche, Mariia Usoltceva, Ana Kostic, Anatoli Lyssoivan, Jean Marie Noterdaeme, Michael Van Schoor

Research output: Contribution to journal › Conference article › peer-review

Abstract

IShTAR is a linear magnetized plasma test facility dedicated to the investigation of RF wave/plasma interaction. The IShTAR ICRF system consists of a single strap RF antenna. When using the antenna for plasma production without an external plasma source, it is shown that the plasma is either produced in front of the antenna strap or inside the antenna box depending on the antenna parameters. Here, we present experimental and numerical investigation of the plasma initiation parametric dependencies. Detailed pressure and RF power scans were performed in helium at f = 5.22 MHz and f = 42.06 MHz. The experiment shows the parameter ranges for which the plasma is produced in front of the strap, or inside the antenna box. These ranges are validated by simulations with the RFdinity model, and by theoretical predictions.

Original language	English
Article number	03056
Journal	EPJ Web of Conferences
Volume	157
DOIs	https://doi.org/10.1051/epjconf/201715703056
Publication status	Published - 23 Oct 2017
Event	22nd Topical Conference on Radio-Frequency Power in Plasmas 2017 - Aix en Provence, France Duration: 30 May 2017 → 2 Jun 2017

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title = "Discharge initiation by ICRF antenna in IShTAR",

abstract = "IShTAR is a linear magnetized plasma test facility dedicated to the investigation of RF wave/plasma interaction. The IShTAR ICRF system consists of a single strap RF antenna. When using the antenna for plasma production without an external plasma source, it is shown that the plasma is either produced in front of the antenna strap or inside the antenna box depending on the antenna parameters. Here, we present experimental and numerical investigation of the plasma initiation parametric dependencies. Detailed pressure and RF power scans were performed in helium at f = 5.22 MHz and f = 42.06 MHz. The experiment shows the parameter ranges for which the plasma is produced in front of the strap, or inside the antenna box. These ranges are validated by simulations with the RFdinity model, and by theoretical predictions.",

author = "Mat{\v e}j Tripsk{\'y} and Tom Wauters and Rodolphe D'Inca and Kristel Cromb{\'e} and Jonathan Jacquot and Roman Ochoukov and Fabrice Louche and Mariia Usoltceva and Ana Kostic and Anatoli Lyssoivan and Noterdaeme, {Jean Marie} and {Van Schoor}, Michael",

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year = "2017",

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doi = "10.1051/epjconf/201715703056",

language = "English",

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T1 - Discharge initiation by ICRF antenna in IShTAR

AU - Tripský, Matěj

AU - Wauters, Tom

AU - D'Inca, Rodolphe

AU - Crombé, Kristel

AU - Jacquot, Jonathan

AU - Ochoukov, Roman

AU - Louche, Fabrice

AU - Usoltceva, Mariia

AU - Kostic, Ana

AU - Lyssoivan, Anatoli

AU - Noterdaeme, Jean Marie

AU - Van Schoor, Michael

PY - 2017/10/23

Y1 - 2017/10/23

N2 - IShTAR is a linear magnetized plasma test facility dedicated to the investigation of RF wave/plasma interaction. The IShTAR ICRF system consists of a single strap RF antenna. When using the antenna for plasma production without an external plasma source, it is shown that the plasma is either produced in front of the antenna strap or inside the antenna box depending on the antenna parameters. Here, we present experimental and numerical investigation of the plasma initiation parametric dependencies. Detailed pressure and RF power scans were performed in helium at f = 5.22 MHz and f = 42.06 MHz. The experiment shows the parameter ranges for which the plasma is produced in front of the strap, or inside the antenna box. These ranges are validated by simulations with the RFdinity model, and by theoretical predictions.

AB - IShTAR is a linear magnetized plasma test facility dedicated to the investigation of RF wave/plasma interaction. The IShTAR ICRF system consists of a single strap RF antenna. When using the antenna for plasma production without an external plasma source, it is shown that the plasma is either produced in front of the antenna strap or inside the antenna box depending on the antenna parameters. Here, we present experimental and numerical investigation of the plasma initiation parametric dependencies. Detailed pressure and RF power scans were performed in helium at f = 5.22 MHz and f = 42.06 MHz. The experiment shows the parameter ranges for which the plasma is produced in front of the strap, or inside the antenna box. These ranges are validated by simulations with the RFdinity model, and by theoretical predictions.

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U2 - 10.1051/epjconf/201715703056

DO - 10.1051/epjconf/201715703056

M3 - Conference article

AN - SCOPUS:85032622392

SN - 2101-6275

VL - 157

JO - EPJ Web of Conferences

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M1 - 03056

T2 - 22nd Topical Conference on Radio-Frequency Power in Plasmas 2017

Y2 - 30 May 2017 through 2 June 2017

ER -

Discharge initiation by ICRF antenna in IShTAR

Abstract

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