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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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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AU - Sipilä, Seppo

AU - Heikkinen, Jukka

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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.

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

M3 - Article

VL - 42

SP - A277-A282

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

SN - 0741-3335

IS - Supplement 5A

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