An NTD germanium-based microcalorimeter with 3.1eV energy resolution at 6keV

• DOI: 10.1016/j.nima.2005.02.024
• Publication Date: 2005-04-21T07:41:09Z
• Authors: E. Silver; G. Austin; J. Beeman; F. Goulding; E.E. Haller; D. Landis; N. Madden
• Keywords: 0103 physical sciences; 01 natural sciences

Abstract This paper reports recent advances in our microcalorimeter spectrometer that result in an energy resolution of 3.1 eV FWHM for 6 keV X-rays. We have developed a detailed model that indicates that further minor improvements will realize 2 eV FWHM at 6 keV and well under 2 eV at 1 keV. The results demonstrate the value of the microcalorimeter for many applications where a premium exists for very fine resolution in the 0.2–10 keV energy band.