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Proceedings Paper

Thermal detectors for x-ray astronomy: current performance and limitations
Author(s): Michael Juda; Wei Cui; Dan McCammon; J. Morgenthaler; Wilton T. Sanders; Jiahong Zhang Juda; Richard L. Kelley; G. M. Madejski; Samuel Harvey Moseley; Caroline Kilbourn Stahle; Andrew E. Szymkowiak
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Paper Abstract

We have been developing thermal detectors for X-ray astronomy. These detectors have the advantages of both high energy resolution and high quantum efficiency. A practical detector operating at a temperature of 0.1 K could ideally have a resolution as good as 1 eV (FWHM). We have produced a detector with a measured resolution of 7 eV (FWHM) for 6 keV X-rays. The detailed behavior of the detector thermistor and thermal links impose limits on performance. Techniques for improving detector behavior will be discussed. We are currently constructing an instrument for launch on a sounding rocket to observe the soft X-ray emission from the interstellar medium.

Paper Details

Date Published: 8 October 1992
PDF: 9 pages
Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); doi: 10.1117/12.130700
Show Author Affiliations
Michael Juda, Univ. of Wisconsin/Madison (United States)
Wei Cui, Univ. of Wisconsin/Madison (United States)
Dan McCammon, Univ. of Wisconsin/Madison (United States)
J. Morgenthaler, Univ. of Wisconsin/Madison (United States)
Wilton T. Sanders, Univ. of Wisconsin/Madison (United States)
Jiahong Zhang Juda, Univ. of Wisconsin/Madison (United States)
Richard L. Kelley, NASA Goddard Space Flight Ctr. (United States)
G. M. Madejski, NASA Goddard Space Flight Ctr. (United States)
Samuel Harvey Moseley, NASA Goddard Space Flight Ctr. (United States)
Caroline Kilbourn Stahle, NASA Goddard Space Flight Ctr. (United States)
Andrew E. Szymkowiak, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 1743:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III
Oswald H. W. Siegmund, Editor(s)

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