High-power helicon system commissioning and conditioning progress on DIII-D

Jared P. Squire; Michael W. Brookman; Bart Van Compernolle; Andrea M. Garofalo; Charles P. Moeller; Levi McAllister; Alex Nagy; Robert I. Pinsker; Miklos Porkolab; Antonio C. Torrezan

doi:10.1063/5.0162682

High-power helicon system commissioning and conditioning progress on DIII-D

Jared P. Squire
, Michael W. Brookman
, Bart Van Compernolle
, Andrea M. Garofalo
, Charles P. Moeller
, Levi McAllister
, Alex Nagy
, Robert I. Pinsker
, Miklos Porkolab
, Antonio C. Torrezan

PPPL Engineering

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

Abstract

The high-power helicon, aka fast wave in the lower hybrid range of frequencies (LHRF), program has completed initial experiments at DIII-D. A 30-element comb-line traveling wave antenna successfully coupled over 0.3 MW of rf power at 476 MHz into both L-mode and ELMing H-mode plasmas for approximately 0.2 s. We describe the helicon systems that enabled high-power operations, and the progress of conditioning in June 2021. Upgraded vacuum feedthroughs are described.

Original language	English (US)
Article number	070002
Journal	AIP Conference Proceedings
Volume	2984
Issue number	1
DOIs	https://doi.org/10.1063/5.0162682
State	Published - Aug 18 2023
Event	24th Topical Conference on Radio-frequency Power in Plasmas - Annapolis, United States Duration: Sep 26 2022 → Sep 28 2022

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/5.0162682

Cite this

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title = "High-power helicon system commissioning and conditioning progress on DIII-D",

abstract = "The high-power helicon, aka fast wave in the lower hybrid range of frequencies (LHRF), program has completed initial experiments at DIII-D. A 30-element comb-line traveling wave antenna successfully coupled over 0.3 MW of rf power at 476 MHz into both L-mode and ELMing H-mode plasmas for approximately 0.2 s. We describe the helicon systems that enabled high-power operations, and the progress of conditioning in June 2021. Upgraded vacuum feedthroughs are described.",

author = "Squire, \{Jared P.\} and Brookman, \{Michael W.\} and Compernolle, \{Bart Van\} and Garofalo, \{Andrea M.\} and Moeller, \{Charles P.\} and Levi McAllister and Alex Nagy and Pinsker, \{Robert I.\} and Miklos Porkolab and Torrezan, \{Antonio C.\}",

note = "Publisher Copyright: {\textcopyright} 2023 Author(s).; 24th Topical Conference on Radio-frequency Power in Plasmas ; Conference date: 26-09-2022 Through 28-09-2022",

year = "2023",

month = aug,

day = "18",

doi = "10.1063/5.0162682",

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T1 - High-power helicon system commissioning and conditioning progress on DIII-D

AU - Squire, Jared P.

AU - Brookman, Michael W.

AU - Compernolle, Bart Van

AU - Garofalo, Andrea M.

AU - Moeller, Charles P.

AU - McAllister, Levi

AU - Nagy, Alex

AU - Pinsker, Robert I.

AU - Porkolab, Miklos

AU - Torrezan, Antonio C.

PY - 2023/8/18

Y1 - 2023/8/18

N2 - The high-power helicon, aka fast wave in the lower hybrid range of frequencies (LHRF), program has completed initial experiments at DIII-D. A 30-element comb-line traveling wave antenna successfully coupled over 0.3 MW of rf power at 476 MHz into both L-mode and ELMing H-mode plasmas for approximately 0.2 s. We describe the helicon systems that enabled high-power operations, and the progress of conditioning in June 2021. Upgraded vacuum feedthroughs are described.

AB - The high-power helicon, aka fast wave in the lower hybrid range of frequencies (LHRF), program has completed initial experiments at DIII-D. A 30-element comb-line traveling wave antenna successfully coupled over 0.3 MW of rf power at 476 MHz into both L-mode and ELMing H-mode plasmas for approximately 0.2 s. We describe the helicon systems that enabled high-power operations, and the progress of conditioning in June 2021. Upgraded vacuum feedthroughs are described.

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U2 - 10.1063/5.0162682

DO - 10.1063/5.0162682

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SN - 0094-243X

VL - 2984

JO - AIP Conference Proceedings

JF - AIP Conference Proceedings

IS - 1

M1 - 070002

T2 - 24th Topical Conference on Radio-frequency Power in Plasmas

Y2 - 26 September 2022 through 28 September 2022

ER -

High-power helicon system commissioning and conditioning progress on DIII-D

Abstract

All Science Journal Classification (ASJC) codes

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