A new DEPFET detector-amplifier structure with strongly non-linear characteristics is presented. It will be used as basic element of an X-ray pixel detector at the new XFEL free electron laser radiation source to be constructed in Hamburg, Germany, providing at the same time single X-ray photon detection and high dynamic range even when operated at readout frequency up to 5 MHz. This is possible due to the new detector concept that adds to the excellent DEPFET properties combined function of detector amplifier and data storage, full sensitivity over whole bulk, non-destructive readout, low serial noise and absence of reset noise the new features of very large charge handling capability and signal compression. Concept and design will be presented and properties demonstrated by extended computer simulations. © 2010 Elsevier B.V. All rights reserved.
DEPFET sensor with intrinsic signal compression developed for use at the XFEL free electron laser radiation source
Porro M.;
2010-01-01
Abstract
A new DEPFET detector-amplifier structure with strongly non-linear characteristics is presented. It will be used as basic element of an X-ray pixel detector at the new XFEL free electron laser radiation source to be constructed in Hamburg, Germany, providing at the same time single X-ray photon detection and high dynamic range even when operated at readout frequency up to 5 MHz. This is possible due to the new detector concept that adds to the excellent DEPFET properties combined function of detector amplifier and data storage, full sensitivity over whole bulk, non-destructive readout, low serial noise and absence of reset noise the new features of very large charge handling capability and signal compression. Concept and design will be presented and properties demonstrated by extended computer simulations. © 2010 Elsevier B.V. All rights reserved.
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