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Figure 1
(a) Diagram of a single microcalorimeter pixel. The photon is thermalized in a high-Z absorber, typically bismuth or gold. The absorbing film is thermally connected to a thin-film thermometer and these two elements comprise a pixel. Each pixel is connected to the cold bath by an engineered thermal link. The carefully measured integral under the signal shown in (b) varies with the energy and allows retrieval of the photon energy. (c) Photograph of a microcalorimeter array package (Uhlig, 2011BB65).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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