The low energy detector of Simbol-X

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

doi:10.1117/12.788702

22 July 2008 The low energy detector of Simbol-X

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

Author Affiliations +

Proceedings Volume 7021, High Energy, Optical, and Infrared Detectors for Astronomy III; 702110 (2008) https://doi.org/10.1117/12.788702
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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.

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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, and J. Treis "The low energy detector of Simbol-X", Proc. SPIE 7021, High Energy, Optical, and Infrared Detectors for Astronomy III, 702110 (22 July 2008); https://doi.org/10.1117/12.788702

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