Thermal detectors for x-ray astronomy: current performance and limitations

Michael Juda; Wei Cui; Dan McCammon; J. Morgenthaler; Wilton T. Sanders III; Jiahong Zhang Juda; Richard L. Kelley; G. M. Madejski; Samuel Harvey Moseley Jr.; Caroline Kilbourn Stahle; Andrew E. Szymkowiak

doi:10.1117/12.130700

8 October 1992 Thermal detectors for x-ray astronomy: current performance and limitations

Michael Juda, Wei Cui, Dan McCammon, J. Morgenthaler, Wilton T. Sanders III, Jiahong Zhang Juda, Richard L. Kelley, G. M. Madejski, Samuel Harvey Moseley Jr., Caroline Kilbourn Stahle, Andrew E. Szymkowiak

Author Affiliations +

Proceedings Volume 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III; (1992) https://doi.org/10.1117/12.130700
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Michael Juda, Wei Cui, Dan McCammon, J. Morgenthaler, Wilton T. Sanders III, Jiahong Zhang Juda, Richard L. Kelley, G. M. Madejski, Samuel Harvey Moseley Jr., Caroline Kilbourn Stahle, and Andrew E. Szymkowiak "Thermal detectors for x-ray astronomy: current performance and limitations", Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); https://doi.org/10.1117/12.130700

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