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Title: Installation of spectrally selective imaging system in RF negative ion source

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 (H{sub α}) 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 H{sub α} emission near the bias plate has been clearly observed. The same time trend on H{sub α} intensities measured by the imaging diagnostic and the optical emission spectroscopy is confirmed.
Authors:
; ; ; ; ; ; ;  [1] ; ; ;  [2] ;  [3]
  1. National Institute for Fusion Science, 322-6 Oroshi, Toki, Gifu 509-5292 (Japan)
  2. Max-Planck-Institut für Plasmaphysik, Boltzmannstraße 2, 85748 Garching (Germany)
  3. SOKENDAI (The Graduate University for Advanced Studies), 322-6 Oroshi, Toki 509-5292 (Japan)
Publication Date:
OSTI Identifier:
22482935
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 87; Journal Issue: 2; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ANIONS; DISTRIBUTION; EMISSION; EMISSION SPECTROSCOPY; HYDROGEN; INSTALLATION; ION BEAMS; PLATES; TEST FACILITIES