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Spectral resolution measurement of an x-ray imaging crystal spectrometer for KSTAR

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7 Author(s)
Lee, S.G. ; National Fusion Research Institute, Daejeon 305-333, Republic of Korea ; Bak, J.G. ; Nam, U.W. ; Moon, M.K.
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A spectral resolution measurement of the x-ray imaging crystal spectrometer for the Korea Superconducting Tokamak Advanced Research machine utilizing a segmented position-sensitive detector and time-to-digital converter based delay-line readout electronics was performed by using an x-ray tube in a laboratory. The measured spectral resolution is about 12 600, which means the actual energy resolution is 0.32 eV for the x-ray tube’s bremsstrahlung peak energy of 4 keV. The results from the spectral resolution measurement are described.

Published in:

Review of Scientific Instruments  (Volume:79 ,  Issue: 10 )