Quantum Dosimetry and Directional Visualization of Radiation in Space with Timepix Detectors Carlos Granja Institute of Experimental and Applied Physics Czech Technical University in Prague Research carried out in frame of the CERN Medipix Collaboration Work funded by the European Space Agency IEAP–CTU Prague www.cern.ch/medipix Teams/Co-authors/Acknowledgements Zdeněk Vykydal*, Daniel Tureček*, Stanislav Pospíšil, Václav Kraus*, Š. Polansky*, Jan Jakůbek, Benedikt Bergmann*%, Iván Caicedo*& Institute of Experimental and Applied Physics, Czech Technical University in Prague, Czech Republic Alan Owens, Karim Mellab, Petteri Nieminen European Space Agency (ESA), ESTEC, Netherlands Czech TechnicalUniversityin Prague Lawrence Pinsky et al. niversity of Houston/NASA, USA U Institute of ExperimentalAppliedand Physics Zdeněk Kozaček, Petr Vana, Jan Mares Czech Space Research Center, Brno, Czech Republic Toshinori Kuwahara Tohoku University, Sendai, Japan * PhD student %U of Erlangen, Germany &U de los Andes, Bogota, Colombia Research carried out in frame of the CERN Medipix Collaboration Work supported by the European Space Agency EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 2 IEAP CTU in Prague – www.utef.cvut.cz Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Space applications • Contact for space research/applications: [email protected] EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 3 IEAP CTU in Prague R&D Radiation Detectors, Radiation Spectroscopy, 2.5 MeV VdG ion accelerator Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Clean room (a), X-ray micro-tomography unit and X-ray pencil beam test bench (b), Van de Graaff accelerator and beam guides (c). EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 4 Pixel detectors Medipix/Timepix + Integrated RO electronics + Online & data processing SW + Nuclear Physics know-how: Integrated Radiation Camera www.cern.ch/medipix Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics IEAP CTU in Prague Radiation camera assembled from the Timepix chip, detector chipboard and FITPix readout interface (left). Highly miniaturized Timepix LITE (right). Straightforward connection to PC via USB cable. EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 5 Jan Jakůbek, IEAP CTU in Prague Timepix: Radiation Imaging High resolution high contrast X-ray imaging Living specimen, soft tissue contrast X-ray transmission image of termite worker body (left) and detail of its head (bottom). Even fine internal structure of the antennae is recognized. (Magnified 15x, time=30s, tube at 40kV and 70mA) Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 6 Jan Jakůbek, IEAP CTU in Prague High resolution high contrast X-ray imaging Living termites Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Images of a termite worker before (left) and after (right) its metamorphosis toward the soldier caste (5s exposure ~ 0.7mGy dose) EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 7 Jan Jakůbek, IEAP CTU in Prague High resolution high contrast X-ray imaging Living termites + X-ray phase contrast enhanced Edges are enhanced by phase effects Edges are enhanced by phase effects Czech TechnicalUniversityin Prague Edges are enhanced Institute of ExperimentalAppliedand Physics by phase effects Termite head Mouse Kidney EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 8 Jan Jakůbek, IEAP CTU in Prague High resolution high contrast X-ray imaging Leaf Miner – story Worms are growing up and after three feeding instars larvae build-up a silken cocoon (pupae) Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Several observation of dynamic Stream imaging collected biological processes pupas EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 9 Jan Jakůbek, IEAP CTU in Prague X-ray micro-CT: Imaging of Living Termites Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Tomographic reconstruction of the worker form of the same living termite individual. Only 20 projections (5 seconds each) have been used for the reconstruction. EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 10 Jiří Dammer, IEAP CTU in Prague micro-CT of living biological specimen Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 11 Jan Jakůbek, IEAP CTU in Prague Timepix: Color radiography Event by event imaging Exposure time reduced to avoid overlapping clusters Clusters in each frame identified, energy determined by summation Many frames taken (14 000 000 clusters analyzed) in 2 hours 5 keV 7 keV 9 keV 11 keV 13 keV 15 keV 17 keV Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics 19 keV 21 keV 23 keV 25 keV 27 keV 29 keV 31 keV Per pixel spectra determined Allows material reconstruction (many methods exist so far) EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 12 Jan Jakůbek, IEAP CTU in Prague Timepix: Ion Radiography Biological sample Czech TechnicalUniversityin Prague 1416 x x Institute of ExperimentalAppliedand Physics (65(256(1 Mpixels) kpixels) kpixels) ~12~3~0.7 particles particles particles per pixel Jan Jakůbek EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 13 Timepix chip Detector array architectures: Miniaturization, stacking R&D Radiation Detectors, highly integrated, high sensitivity, quantum detection Tracker/particle telescope Lite Timepix chips Czech TechnicalUniversityin Prague Timepix chip Institute of ExperimentalAppliedand Physics Highly miniaturized Timepix LITE (top right), Timepix chip on IEAP CTU Prague chipboard (bottom right) and particle tracker/telescope assembled/stacked from several Timepix devices (left) EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 14 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large/increased area Large area & edgeless Timepix array 100 Timepix chips WidePIX 10x10 imager consists of an array of 10x10 of one-hundred Timepix detectors developed by the Medipix Collaboration based at CERN. The technology allowing coverage of large area is based on application of edgeless silicon sensors developed in VTT Finland and fabricated by ADVACAM Oy. The whole WidePIX 10x10 device was designed, developed and constructed at the IEAP CTU Czech TechnicalUniversityin Prague Prague. Features: Institute of ExperimentalAppliedand Physics Superior image quality without instrumental noise, Large (14 cm x 14 cm) fully sensitive area with no gaps between sensor chips, Fully digital detection with ultra-high contrast even for light objects (e.g. plastic or soft tissue), Energy discrimination allowing “color” radiography, Compact size and portability, Support for major operating systems: Windows, Mac OS, Linux EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 15 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large area imager Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 16 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large area neutron imager Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 17 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large area neutron imager 20 Timepix chips Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 18 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large/increased area Neutron radiographs (in cooperation with ILL Grenoble) Czech TechnicalUniversityin Prague Institute of ExperimentalAppliedand Physics Timepix Scintillator EPS/CERN 2nd Int. Workshop “Advanced Radiation Detectors for Industrial Use”, Ravenna, 11-12 Nov. 2013 Carlos Granja, IEAP–CTU Prague 19 Jan Jakubek, IEAP CTU Prague Detector array architectures: Large/increased area X-ray (left) & neutron (right) radiographs Timepix Czech TechnicalUniversityin Prague Institute