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Gottardi, L.; Takei, Y.; van der Kuur, J.; de Korte, P. A. J.; Hoevers, H. F. C.; Boersma, D.; Bruijn, M.; Mels, W.; Ridder, M. L.; Takken, D.; van Weers, H.
Journal of low temperature physics, 04/2008, Volume: 151, Issue: 1-2Journal Article
We characterised a TES-based X-ray microcalorimeter in an adiabatic demagnetisation refrigerator (ADR) using synchrotron radiation. The detector response and energy resolution was measured at the beam-line in the PTB radiometry laboratory at the electron storage ring BESSY II in the range from 200 to 1800 eV. We present and discuss the results of the energy resolution measurements as a function of energy, beam intensity and detector working point. The measured energy resolution ranges between 1.5 to 2.1 eV in the investigated energy range and is weakly dependent on the detector set point. A first analysis shows a count-rate capability, without considerable loss of performance, of about 500 counts per second.
