Installation of spectrally selective imaging system in RF negative ion source | Zendy

K. Ikeda | Zendy; D. Wünderlich | Zendy; U. Fantz | Zendy; B. Heinemann | Zendy; M. Kisaki | Zendy; K. Nagaoka | Zendy; H. Nakano | Zendy; M. Osakabe | Zendy; K. Tsumori | Zendy; Shaofei Geng | Zendy; O. Kaneko | Zendy; Y. Takeiri | Zendy

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Installation of spectrally selective imaging system in RF negative ion source

Author(s) -

K. Ikeda,

D. Wünderlich,

U. Fantz,

B. Heinemann,

M. Kisaki,

K. Nagaoka,

H. Nakano,

M. Osakabe,

K. Tsumori,

Shaofei Geng,

O. Kaneko,

Y. Takeiri

Publication year - 2015

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4932987

Subject(s) - thermonuclear fusion , ion source , optics , imaging spectroscopy , ion , materials science , spectroscopy , hydrogen , atomic physics , ion beam , balmer series , beam (structure) , physics , plasma , emission spectrum , spectral line , nuclear physics , astronomy , quantum mechanics

A spectrally selective imaging system has been installed in the RF negative ion source in the International Thermonuclear Experimental Reactor-relevant negative ion beam test facility ELISE (Extraction from a Large Ion Source Experiment) to investigate distribution of hydrogen Balmer-α emission (Hα) close to the production surface of hydrogen negative ion. We selected a GigE vision camera coupled with an optical band-path filter, which can be controlled remotely using high speed network connection. A distribution of Hα emission near the bias plate has been clearly observed. The same time trend on Hα intensities measured by the imaging diagnostic and the optical emission spectroscopy is confirmed.

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