16 July 2010 Development of the Simbol-X science verification model and its contribution for the IXO Mission
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Abstract
Like the International X-ray Observatory (IXO) mission, the Simbol-X mission is a projected X-ray space telescope with spectral and imaging capabilities covering the energy range from 500 eV up to 80 keV. To detect photons within this wide range of energies, a silicon based "Depleted P-channel Field Effect Transistor" (DePFET)- matrix is used as the Low Energy Detector (LED) on top of an array of CdTe-Caliste modules, which act as the High Energy Detector (HED). A Science Verification Model (SVM) consisting of one LED quadrant in front of one Caliste module will be set up at our institute (IAAT) and operated under laboratory conditions that approximate the expected environment in space. As a first step we use the SVM to test and optimize the performance of the LED operation and data acquisition chain, consisting of an ADC, an event-preprocessor, a sequencer, and an interface controller. All these components have been developed at our institute with the objective to handle the high readout rate of approximately 8000 frames per second. The second step is to study the behaviour and the interactions of LED and HED operating as a combined detector system. We report on the development status of the SVM and its associated electronics and present first results of the currently achieved spectral performance.
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Daniel Maier, Florian Aschauer, Jürgen Dick, Giuseppe Distratis, Henry Gebhardt, Sven Herrmann, Eckhard Kendziorra, Thomas Lauf, Peter Lechner, Andrea Santangelo, Thomas Schanz, Lothar Strüder, Chris Tenzer, Johannes Treis, "Development of the Simbol-X science verification model and its contribution for the IXO Mission", Proc. SPIE 7742, High Energy, Optical, and Infrared Detectors for Astronomy IV, 77420Z (16 July 2010); doi: 10.1117/12.857110; https://doi.org/10.1117/12.857110
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