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An optical probe for local ion temperature measurements in a plasma

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Bohmeyer,  W.
Plasma Diagnostics Group (HUB), Max Planck Institute for Plasma Physics, Max Planck Society;

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Fussmann,  G.
Plasma Diagnostics Group (HUB), Max Planck Institute for Plasma Physics, Max Planck Society;

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Citation

Kiss'ovski, Z., Bohmeyer, W., & Fussmann, G. (2003). An optical probe for local ion temperature measurements in a plasma. Contributions to Plasma Physics, 43, 456-463. doi:10.1002/ctpp.200410061.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-3F28-E
Abstract
Local measurements of the ion temperature and the spectral emissivity have been performed in the magnetized plasma of the PSI-2 device using an optical probe. The proper operation of the probe could be demonstrated. The probe collects the light emission from a small separated plasma volume thus enabling to determine the ion temperature from Doppler-broadening of suited spectral lines. In addition to the technical features stray light and finite Larmor radii effects - limiting the spatial resolution - are discussed.