Hard x-ray imaging and particle detection with TIMEPIX3

Christer Fröjdh; David Krapohl; Göran Thungström

doi:10.1117/12.2238505

30 September 2016 Hard x-ray imaging and particle detection with TIMEPIX3

Christer Fröjdh, David Krapohl, Göran Thungström

Proceedings Volume 9968, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII; 99680T (2016) https://doi.org/10.1117/12.2238505
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

CMOS pixel electronics open up for applications with single photon or particle processing. TIMEPIX3 is a readout chip in the MEDIPIX family with the ability to simultaneously determine energy and time of interaction in the pixel. The device is fully event driven, sending out data on each interaction at a maximum speed of about 40 Mhits/s. The concept allows for off-line processing to correct for charge sharing or to find the interaction point in multi pixel events. The timing resolution of 1.56 ns allows for three dimensional tracking of charged particles in a thick sensor due to the drift time for the charge in the sensor. The experiments in this presentation have been performed with silicon sensors bonded MEDIPIX family chips with special focus on TIMEPIX3. This presentation covers basic performance of the chip, spectral imaging with hard X-rays, detection and imaging with charged particles and neutrons. Cluster identification, centroiding and charge summing is extensively used to determine energy and position of the interaction. For neutron applications a converter layer was placed on top of the sensor.

Conference Presentation

Citation Download Citation

Christer Fröjdh, David Krapohl, and Göran Thungström "Hard x-ray imaging and particle detection with TIMEPIX3", Proc. SPIE 9968, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII, 99680T (30 September 2016); https://doi.org/10.1117/12.2238505

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