Four-array system of soft X-ray diagnostics was installed on KSTAR tokamak. Each array has 32 viewing chords of two photo-diode array detectors with spatial resolution of 2 cm. To estimate signals from the soft X-ray radiation power, typical ne, Te, and argon impurity line radiation profiles in KSTAR are chosen. The photo-diodes were absolutely calibrated as a function of the incident photon energy in 2-40 keV range with a portable X-ray tube. Two-dimensional Teimage properties by multi-energy method were simulated and visualized with six combinations of beryllium filter sets within the dynamic range of signal ratio.
All Science Journal Classification (ASJC) codes
Lee, S. H., Jang, J., Hong, J., Pacella, D., Romano, A., Gabellieri, L., ... Choe, W. (2014). Installation of soft X-ray array diagnostics and its application to tomography reconstruction using synthetic KSTAR X-ray images. Review of Scientific Instruments, 85(11), -. [11E827]. https://doi.org/10.1063/1.4896960