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Proceedings Paper

The low energy detector of Simbol-X
Author(s): P. Lechner; L. Andricek; U. Briel; G. Hasinger; K. Heinzinger; S. Herrmann; H. Huber; E. Kendziorra; T. Lauf; G. Lutz; R. Richter; A. Santangelo; G. Schaller; M. Schnecke; F. Schopper; G. Segneri; L. Strüder; J. Treis
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Paper Abstract

Simbol-X is a French-Italian-German hard energy X-ray mission with a projected launch in 2014. Being sensitive in the energy range from 500 eV to 80 keV it will cover the sensitivity gap beyond the energy interval of today's telescopes XMM-Newton and Chandra. Simbol-X will use an imaging telescope of nested Wolter-I mirrors. To provide a focal length of 20 m it will be the first mission of two independent mirror and detector spacecrafts in autonomous formation flight. The detector spacecraft's payload is composed of an imaging silicon low energy detector in front of a pixelated cadmium-telluride hard energy detector. Both have a sensitive area of 8 × 8 cm2 to cover a 12 arcmin field of view and a pixel size of 625 × 625 μm2 adapted to the telescope's resolution of 20 arcsec. The additional LED specifications are: high energy resolution, high quantum efficiency, fast readout and optional window mode, monolithic device with 100 % fill factor and suspension mounting, and operation at warm temperature. To match these requirements the low energy detector is composed of 'active macro pixels', combining the large, scalable area of a Silicon Drift Detector and the low-noise, on-demand readout of an integrated DEPFET amplifier. Flight representative prototypes have been processed at the MPI semiconductor laboratory, and the prototype's measured performance demonstrates the technology readiness.

Paper Details

Date Published: 22 July 2008
PDF: 11 pages
Proc. SPIE 7021, High Energy, Optical, and Infrared Detectors for Astronomy III, 702110 (22 July 2008); doi: 10.1117/12.788702
Show Author Affiliations
P. Lechner, MPI Halbleiterlabor (Germany)
PNSensor GmbH (Germany)
L. Andricek, MPI Halbleiterlabor (Germany)
MPI für Physik (Germany)
U. Briel, MPI für extraterrestrische Physik (Germany)
G. Hasinger, MPI für extraterrestrische Physik (Germany)
K. Heinzinger, MPI Halbleiterlabor (Germany)
PNSensor GmbH (Germany)
S. Herrmann, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
H. Huber, MPI für extraterrestrische Physik (Germany)
E. Kendziorra, Institut für Astronomie und Astrophysik Tübingen (Germany)
T. Lauf, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
G. Lutz, MPI Halbleiterlabor (Germany)
PNSensor GmbH (Germany)
R. Richter, MPI Halbleiterlabor (Germany)
MPI für Physik (Germany)
A. Santangelo, Institut für Astronomie und Astrophysik Tübingen (Germany)
G. Schaller, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
M. Schnecke, MPI Halbleiterlabor (Germany)
MPI für Physik (Germany)
F. Schopper, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
G. Segneri, MPI Halbleiterlabor (Germany)
PNSensor GmbH (Germany)
L. Strüder, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
J. Treis, MPI Halbleiterlabor (Germany)
MPI für extraterrestrische Physik (Germany)
MPI für Sonnensystemforschung (Germany)


Published in SPIE Proceedings Vol. 7021:
High Energy, Optical, and Infrared Detectors for Astronomy III
David A. Dorn; Andrew D. Holland, Editor(s)

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