Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 1 BrightnESS T4.1 Meeting Activity at IEAP CTU in Prague Frantisek Krejci, Stanislav Pospisil, Tomas Slavicek, Sture Petersson, Zdenek Kohout, Petr Masek, Jan Zemlicka Institute of Experimental and Applied Physics, Czech Technical University in Prague BrightnESS T4.1 Meeting, January Frantisek Krejci

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 2 BrightnESS T4.1 Meeting, January Frantisek Krejci Outline  Time schedule of activities at IEAP CTU in Prague  Characterization and evaluation of available equipment for the project 2 newly developed imaging beamlines ( thermal neutron ) at Rez near Prague Test of various Medipix based neutron detectors based on 6 Li  Topics to discuss

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 3 BrightnESS T4.1 Meeting, January Frantisek Krejci Time schedule of activities at IEAP CTU in Prague

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 4 BrightnESS T4.1 Meeting, January Frantisek Krejci Imaging beamlines at Rez near Prague  2 newly developed imaging beamlines (HK1, HK3) at Rez near Prague  Common project of IEAP CTU, Research Center Rez and Nuclear Physics Institute AS CR (ended 2015)  Beamlines possible to use for testing within BrightnESS

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 5 BrightnESS T4.1 Meeting, January Frantisek Krejci HK1 beamline (neutron radiography and CT)  Beam diameter 100 mm  Equipped for neutron radiography and CT (translation stages, rotation, remote control)  Detector Widepix 1280 × 1024 pixelů (5 × 4 Timepix chips, converter 6 LiF, frame rate 2 fps  Inner space for detector and other instrumentation: 100 cm × 60 cm × 60 cm  High intensity × significant gamma and fast neutrons content Neutron energy Intensity (cm -2.s -1 ) Percentage < 0,501 eV 2,17  ,36% 0,501 eV - 10 keV 1,60  ,60% 10 keV – 0,1 MeV 8,41  ,15% 0,1 MeV - 1 MeV 3,96  ,85% > 1 MeV 9,13  ,03% Total 2,66 

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 6 BrightnESS T4.1 Meeting, January Frantisek Krejci HK3 beamline (thermal neutron radiography and CT with high resolution)  Thermal neutron delivered by neutron mirrors  Beam size: 4 mm (height) x 80 mm (wide)  Intensity 6 x 10 6 cm -1 s -1 (for 10 MW)  Cadmium ratio 10 5  Divergence in vertical direction < o  Spatial intensity variations < 10 % (due to mirrors)  Detectors 4 Timepix chips 4 × (256 × 256) pixels 4 × 14.1 mm × 14.1 mm Chips adjustable in different configuration (e.g. long raw) Up to 850 frames/s (effective event by event detection)

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 7 BrightnESS T4.1 Meeting, January Frantisek Krejci Topics to discuss  Possibility to test our detector technology with pulsed neutron source within BrightnESS  Detector technology intercomparison – parameters for reference measurement (detector requirements)

Institute of Experimental and Applied Physics Czech Technical University in Prague IEAP – CTU Prague 8 Thank you for your attention BrightnESS T4.1 Meeting, January Frantisek Krejci