Charge exchange spectroscopy by Fabry–Pérot spectrometer in W7-AS | Zendy

M. Yoshinuma | Zendy; K. Ida | Zendy; J. Baldzuhn | Zendy

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Charge exchange spectroscopy by Fabry–Pérot spectrometer in W7-AS

Author(s) -

M. Yoshinuma,

K. Ida,

J. Baldzuhn

Publication year - 2004

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 - 10.1063/1.1789587

Subject(s) - spectroscopy , spectrometer , impurity , atomic physics , materials science , plasma diagnostics , ion , electric field , plasma , analytical chemistry (journal) , physics , chemistry , optics , nuclear physics , chromatography , quantum mechanics

Charge exchange spectroscopy using a Fabry–Perot spectrometer has been developed to study the dynamic of ion temperature and radial electric field in plasmas. A charge coupled device detecter with 80×80 pixels was used to gain the spectral resolution of the charge exchange spectroscopy system. This Fabry–Perot charge exchange spectroscopy system has been applied to measure the ion temperature using the charge exchange line of carbon impurity with a time resolution of 5 ms for high density quasisteady discharges in W7-AS. The cold component due to the charge exchange reaction between the carbon impurity and thermal neutrals is subtracted from the change emission with the beam modulation technique

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