Soft x-ray diagnostics system for electron temperature measurement in the integrated commissioning phase of JT-60SA
Ryuichi Sano,
Hiroto Homma,
Manabu Takechi
et al.
Abstract:A soft x-ray (SX) diagnostic system has been designed and installed in JT-60SA for the first plasma. For quantitative measurement, the etendue of each viewing chord was evaluated analytically and numerically. The electron temperature is evaluated from the detected bremsstrahlung emission ratio between two detector arrays with two different thicknesses of Be filters. The two filter thicknesses were optimized to be 7 and 50 μm for the expected electron temperature range of 0–3 keV. The one-dimensional profile of… Show more
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