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| Medipix3 Collaboration | |
|---|---|
| Name | Medipix3 Collaboration |
| Type | Research collaboration |
| Established | 2000s |
| Location | CERN, Geneva |
| Fields | Semiconductor detector technology |
Medipix3 Collaboration The Medipix3 Collaboration is an international research consortium focused on hybrid pixel detector development and photon-counting imaging, uniting groups around CERN, University of Oxford, University of Barcelona, STFC Rutherford Appleton Laboratory, and other institutions. It builds on technologies from earlier projects tied to European Organization for Nuclear Research, King's College London, University of Geneva, Paul Scherrer Institute, and industrial partners to deliver advances in detector ASICs and sensor integration. The collaboration's work intersects with experiments and facilities such as Large Hadron Collider, Diamond Light Source, European Synchrotron Radiation Facility, MAX IV Laboratory, and National Institutes of Health imaging programs.
Medipix3 is a generation of pixel readout integrated circuits designed for photon-counting applications, drawing expertise from CERN electronics groups, University of Oxford microelectronics teams, Imperial College London, University of Pisa, and semiconductor companies. The project emphasizes hybridization of CMOS readout chips with semiconductor sensors such as silicon (element), cadmium telluride, and germanium (element), enabling single-photon sensitivity used in facilities like European Synchrotron Radiation Facility and Diamond Light Source. Its scope connects to detector families developed for ALICE (A Large Ion Collider Experiment), ATLAS, CMS experiment, and medical imaging initiatives supported by Wellcome Trust and national research councils.
The Medipix lineage began from pixel readout efforts at CERN and collaborations with European Space Agency, University of Geneva, Paul Scherrer Institute, and IEAP Prague, progressing through Medipix1 and Medipix2 before Medipix3. Development phases involved design teams at STFC Rutherford Appleton Laboratory, University of Oxford, University College London, and industrial partners such as Thales Group and NXP Semiconductors for fabrication and bump-bonding. Prototyping and beam tests occurred at facilities including Diamond Light Source, European XFEL, MAX IV Laboratory, and accelerator complexes like CERN Proton Synchrotron, validating designs for experiments like SOLEIL beamline studies and ESRF research programs.
Medipix3 ASICs implement per-pixel charge summing, threshold dispersion compensation, and energy discrimination using CMOS technology from foundries linked to TSMC, GLOBALFOUNDRIES, and IBM Microelectronics. The architecture incorporates bump-bonded sensor layers made from materials including silicon (element), cadmium telluride, germanium (element), and works with module assemblies developed by teams at CERN, STFC Rutherford Appleton Laboratory, University of Canterbury, and University of Freiburg. Readout systems interface with data acquisition frameworks used at CERN experiments, Diamond Light Source beamlines, and cryogenic setups in Paul Scherrer Institute laboratories, while firmware and software integration involves groups from University of Pisa, University of Manchester, and STFC computing teams.
Medipix3-based detectors are deployed across particle physics experiments including ATLAS, CMS experiment, and LHCb for beam diagnostics, as well as synchrotron facilities like ESRF, Diamond Light Source, MAX IV Laboratory, and APS (Advanced Photon Source) for X-ray imaging, crystallography, and tomography. In biomedical contexts they support initiatives at Imperial College London, University College London Hospitals NHS Foundation Trust, and National Institutes of Health for radiography and spectral imaging, complementing instrumentation in European Molecular Biology Laboratory and Wellcome Sanger Institute workflows. Industrial inspection and cultural heritage projects engage institutions like British Museum conservation labs, Siemens AG industrial partners, and regional accelerator centers for non-destructive testing and materials analysis.
The collaboration comprises university research groups, national laboratories, and commercial partners including CERN, University of Oxford, University of Barcelona, STFC Rutherford Appleton Laboratory, Paul Scherrer Institute, University of Geneva, Imperial College London, University College London, University of Pisa, University of Freiburg, University of Manchester, University of Canterbury, and foundries or vendors such as Thales Group, NXP Semiconductors, TSMC, and GLOBALFOUNDRIES. Governance involves technical boards, working groups on ASIC design, sensor development, system integration, and software coordinated through meetings at CERN, annual workshops at facilities like Diamond Light Source and ESRF, and collaborative projects funded by European Commission framework programmes and national research councils.
Medipix3 teams have produced peer-reviewed articles and conference papers presented at forums including IEEE Nuclear Science Symposium, International Conference on Image Formation in X-Ray Computed Tomography, SPIE, and International Workshop on Radiation Imaging Detectors, documenting advances in photon-counting, energy-resolved imaging, and charge-sharing mitigation. Technical reports and calibration studies appear in journals associated with IEEE, Journal of Synchrotron Radiation, and proceedings from European Physical Society meetings, often co-authored by researchers from CERN, Paul Scherrer Institute, University of Oxford, Diamond Light Source, and ESRF beamline scientists.
The Medipix3 Collaboration influenced subsequent detector projects at CERN experiments, drove adoption of photon-counting detectors at Diamond Light Source, ESRF, and MAX IV Laboratory, and informed commercial development in medical imaging by companies linked to Siemens AG and Philips. Its technical innovations contributed to sensor materials research at Paul Scherrer Institute, detector readout evolution in ALICE (A Large Ion Collider Experiment), and cross-disciplinary applications spanning European Molecular Biology Laboratory structural biology and British Museum conservation imaging, shaping future generations of pixel detector technology.
Category:Particle detector collaborations