Active diagnostic of edge Er using neutral-particle analysers

Taina Kurki-Suonio; Seppo Sipilä; Jukka Heikkinen

doi:10.1088/0741-3335/42/5A/333

Active diagnostic of edge E_r using neutral-particle analysers

Taina Kurki-Suonio
, Seppo Sipilä
, Jukka Heikkinen

VTT Technical Research Centre of Finland

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

7 Citations (Scopus)

Abstract

With a careful choice of the viewing parameters, neutral-particle analysers could be used to detect small changes in the radial electric field E_r immediately next to the separatrix with a submillisecond (50-100 µs) resolution. In particular, the poloidal viewing angle has to be optimized according to the ripple- and plasma geometry. In addition, the use of a small diagnostic beam is proposed to improve the signal level and quality.

Original language	English
Pages (from-to)	A277-A282
Journal	Plasma Physics and Controlled Fusion
Volume	42
Issue number	Supplement 5A
DOIs	https://doi.org/10.1088/0741-3335/42/5A/333
Publication status	Published - 2000
MoE publication type	A1 Journal article-refereed

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10.1088/0741-3335/42/5A/333

Cite this

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title = "Active diagnostic of edge Er using neutral-particle analysers",

abstract = "With a careful choice of the viewing parameters, neutral-particle analysers could be used to detect small changes in the radial electric field Er immediately next to the separatrix with a submillisecond (50-100 µs) resolution. In particular, the poloidal viewing angle has to be optimized according to the ripple- and plasma geometry. In addition, the use of a small diagnostic beam is proposed to improve the signal level and quality.",

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year = "2000",

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T1 - Active diagnostic of edge Er using neutral-particle analysers

AU - Kurki-Suonio, Taina

AU - Sipilä, Seppo

AU - Heikkinen, Jukka

PY - 2000

Y1 - 2000

N2 - With a careful choice of the viewing parameters, neutral-particle analysers could be used to detect small changes in the radial electric field Er immediately next to the separatrix with a submillisecond (50-100 µs) resolution. In particular, the poloidal viewing angle has to be optimized according to the ripple- and plasma geometry. In addition, the use of a small diagnostic beam is proposed to improve the signal level and quality.

AB - With a careful choice of the viewing parameters, neutral-particle analysers could be used to detect small changes in the radial electric field Er immediately next to the separatrix with a submillisecond (50-100 µs) resolution. In particular, the poloidal viewing angle has to be optimized according to the ripple- and plasma geometry. In addition, the use of a small diagnostic beam is proposed to improve the signal level and quality.

U2 - 10.1088/0741-3335/42/5A/333

DO - 10.1088/0741-3335/42/5A/333

M3 - Article

SN - 0741-3335

VL - 42

SP - A277-A282

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - Supplement 5A

ER -

Active diagnostic of edge Er using neutral-particle analysers

Abstract

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Active diagnostic of edge E_r using neutral-particle analysers