First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager

Johannes Treis; Peter Fischer; Olaf Halker; Matthias Harter; Sven Herrmann; Robert Kohrs; Hans Krueger; Peter Lechner; Gerhard Lutz; Ivan Peric; Matteo Porro; Rainer H. Richter; Lothar Strueder; Marcel Trimpl; Norbert Wermes

doi:10.1117/12.551536

29 September 2004 First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager

Johannes Treis, Peter Fischer, Olaf Halker, Matthias Harter, Sven Herrmann, Robert Kohrs, Hans Krueger, Peter Lechner, Gerhard Lutz, Ivan Peric, Matteo Porro, Rainer H. Richter, Lothar Strueder, Marcel Trimpl, Norbert Wermes

Author Affiliations +

Proceedings Volume 5501, High-Energy Detectors in Astronomy; (2004) https://doi.org/10.1117/12.551536
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The concept of an Active Pixel Sensor (APS) based on the integrated detector/amplifier structure DEPFET (DEpleted P-channel Field Effect Transistor) has been developed to cope with the challenging requirements of the XEUS Wide Field Imager. The DEPFET-APS combines high energy resolution, fast readout, and random accessible pixels allowing the application of flexible readout modes. First prototypes of DEPFET-based Active Pixel Sensors with a 64 x 64 pixel format and 75 μm x 75 μm pixel area have been produced at the MPI semiconductor laboratory. The APS is read out row by row, i.e. the pixel signals of one row are processed in parallel by a 64 channel CMOS amplifier/multiplexer chip of the CAMEX type. The addressing of one row of pixels for readout and reset is done by two control chips of the SWITCHER type fabricated in a high-voltage CMOS technology. The processing time for one row is of the order of a few micro-seconds. APS operation, the control and data acquisition system are described, and first experimental results are presented.

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Johannes Treis, Peter Fischer, Olaf Halker, Matthias Harter, Sven Herrmann, Robert Kohrs, Hans Krueger, Peter Lechner, Gerhard Lutz, Ivan Peric, Matteo Porro, Rainer H. Richter, Lothar Strueder, Marcel Trimpl, and Norbert Wermes "First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager", Proc. SPIE 5501, High-Energy Detectors in Astronomy, (29 September 2004); https://doi.org/10.1117/12.551536

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