Published on 01 January 2026 |

Version 1.0

LHD Ha-fast #194305.1

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GOTO, Motoshi;KAWAMOTO, Yasuko

Description

Toroidal visible array to measure toroidal distribution of H-alpha and He-I, ratio of helium to hydrogen: H/(H+He) or D/(D+He), and particle recycling and edge tau_p. H-alpha and He-I line emissions are detected by photomultipliers passing through an interference filter. H/D influx ratio can be also minitored by resolving H-alpha and D-alpha line profiles.

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Publication Details

DOI

Publisher

National Institute for Fusion Science (NIFS)

Keywords

14020 Nuclear Fusion14010 Plasma Sciencesh85092995 Nuclear Fusionsh85103065 Plasma Diagnostics