Design and performance of the ASTRO-E/XRS microcalorimeter array and anticoincidence detector

Caroline A. Kilbourne; Michael Damian Audley; Kevin R. Boyce; Regis P. Brekosky; Ryuichi Fujimoto; Keith C. Gendreau; John D. Gygax; Yoshitaka Ishisaki; Richard L. Kelley; R. A. McClanahan; Tatehiro Mihara; Kazuhisa Mitsuda; Samuel Harvey Moseley Jr.; David Brent Mott; Frederick Scott Porter; Carl Michael Stahle; Andrew E. Szymkowiak

doi:10.1117/12.366494

22 October 1999 Design and performance of the ASTRO-E/XRS microcalorimeter array and anticoincidence detector

Caroline A. Kilbourne, Michael Damian Audley, Kevin R. Boyce, Regis P. Brekosky, Ryuichi Fujimoto, Keith C. Gendreau, John D. Gygax, Yoshitaka Ishisaki, Richard L. Kelley, R. A. McClanahan, Tatehiro Mihara, Kazuhisa Mitsuda, Samuel Harvey Moseley Jr., David Brent Mott, Frederick Scott Porter, Carl Michael Stahle, Andrew E. Szymkowiak

Author Affiliations +

Proceedings Volume 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X; (1999) https://doi.org/10.1117/12.366494
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The XRS instrument has an array of 32 micro-calorimeters at the focal plane. These calorimeters consist of ion-implanted silicon thermistors and HgTe thermalizing x-ray absorbers. These devices have demonstrated a resolution of 9 eV at 3 keV and 11 eV at 6 keV. We will discuss the basic physical parameters of this array, including the array layout, thermal conductance of the link to the heat sink, operating temperature, thermistor size, absorber choice, and means of attaching the absorber to the thermistor bearing element. We will present representative performance data, though a more detailed presentation of the results of the instrument calibration is presented elsewhere in these proceedings. A silicon ionization detector is located behind the calorimeter array and serves to reject events due to cosmic rays. We will briefly describe this anti-coincidence detector and its performance in conjunction with the array.

Citation Download Citation

Caroline A. Kilbourne, Michael Damian Audley, Kevin R. Boyce, Regis P. Brekosky, Ryuichi Fujimoto, Keith C. Gendreau, John D. Gygax, Yoshitaka Ishisaki, Richard L. Kelley, R. A. McClanahan, Tatehiro Mihara, Kazuhisa Mitsuda, Samuel Harvey Moseley Jr., David Brent Mott, Frederick Scott Porter, Carl Michael Stahle, and Andrew E. Szymkowiak "Design and performance of the ASTRO-E/XRS microcalorimeter array and anticoincidence detector", Proc. SPIE 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X, (22 October 1999); https://doi.org/10.1117/12.366494

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