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Proceedings Paper

Imaging spectrometers for future x-ray missions
Author(s): Lothar Strueder; Gunther Hasinger; Johannes Kollmer; Norbert Krause; Norbert Meidinger; Joachim E. Truemper; Robert Hartmann; Peter Holl; Peter Lechner; Heike Soltau; Peter Klein; Gerhard Lutz; Rainer H. Richter; Peter Fischer; Norbert Wermes; Werner Buttler
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Paper Abstract

Based on the operational experience with the EPIC pn-CCD system on board of XMM-Newton, new imaging X-ray spectroscopic detector systems for future X-ray missions will be introduced in terms of energy, position and time resolving detectors. As the readout speed requirement in the case of single photon coating detectors increases drastically with the collecting area and improved angular resolution, but noise figures have to be on the lowest possible level, new detector schemes must be developed: Active pixel sensors (APS) for X-ray detection have the capability to randomly select areas of interest and to operate at noise levels below 1 electron (rms). About 1000 frames per second can be read out with a relatively low level of electric power with the proposed DEPFET arrays. One prominent candidate for the use of an APS is ESA's XEUS 0 the X-ray Evolving Universe Spectroscopy mission. It represents a potential follow-on mission to the cornerstone XMM-Newton, currently in orbit. The XEUS mission is considered as part of ESA's Horizon 2000+ program within the context of the International Space Station (ISS).

Paper Details

Date Published: 25 January 2002
PDF: 9 pages
Proc. SPIE 4497, X-Ray and Gamma-Ray Instrumentation for Astronomy XII, (25 January 2002); doi: 10.1117/12.454230
Show Author Affiliations
Lothar Strueder, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Gunther Hasinger, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Johannes Kollmer, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Norbert Krause, Max-Planck-Institut fuer Extraterrestrische Physik (Australia)
Norbert Meidinger, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Joachim E. Truemper, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Robert Hartmann, KETEK GmbH (Germany)
Peter Holl, KETEK GmbH (Germany)
Peter Lechner, KETEK GmbH (Germany)
Heike Soltau, KETEK GmbH (Germany)
Peter Klein, Max-Planck-Institut fuer Physik (Germany)
Gerhard Lutz, Max-Planck-Institut fuer Physik (Germany)
Rainer H. Richter, Max-Planck-Institut fuer Physik (Germany)
Peter Fischer, Univ. Bonn (Germany)
Norbert Wermes, Univ. Bonn (Germany)
Werner Buttler, Ingenieurbuero Buttler (Germany)


Published in SPIE Proceedings Vol. 4497:
X-Ray and Gamma-Ray Instrumentation for Astronomy XII
Kathryn A. Flanagan; Oswald H. W. Siegmund, Editor(s)

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