Pokročilé techniky detekce ionizujícího záření

AbstraktAbstract

Cílem projektu je vyvinout nové detekční a zobrazovací systémy, které budou aplikovány pro zajištění jaderné bezpečnosti, v elektronové mikroskopii, lékařské diagnostice, měřící technice a dalších aplikacích pro detekci ionizujícího záření. Součástí výzkumu a vývoje je (A) návrh a optimalizace nových speciálních detekčních jednotek pro elektronovou mikroskopii, (B) vývoj a výzkum UV stínítek s použitím nových scintilačních materiálů včetně jejich opracování a (C) konstrukce nových zobrazovacích systémů pro detekci ionizujícího záření za použití bezšumových pixelových detektorů typu Medipix

The aim is to develop a new detection and imaging systems, which will be applied in electron microscopy, medical diagnostics, measuring techniques and other applications for detection of ionizing particles. The development consists of (i) design of new generation of detection units for electron microscopy, (ii) developement of extremely thin UV emitting scintillation screens and (iii) construction of noiseless imaging systems for ionizing radiation based on the Medipix chip or equivalent.

VýsledkyResults

• Combined Medipix based imaging system with Si and CdTe sensorCombined Medipix based imaging system with Si and CdTe sensor
• BrachyView, a novel inbody imaging system for HDR prostate brachytherapy: design and Monte Carlo feasibility studyBrachyView, a novel inbody imaging system for HDR prostate brachytherapy: design and Monte Carlo feasibility study
• Energy resolution and power consumption of Timepix detector for different detector settings and saturation of front-end electronicsEnergy resolution and power consumption of Timepix detector for different detector settings and saturation of front-end electronics
• Multimodal imaging with hybrid semiconductor detectors Timepix for an experimental MRI-SPECT systemMultimodal imaging with hybrid semiconductor detectors Timepix for an experimental MRI-SPECT system
• Dependence on temperature and pixel threshold of the calibration for the Timepix detector and its correction methodDependence on temperature and pixel threshold of the calibration for the Timepix detector and its correction method
• Directional Detection of Fast Neutrons by the Timepix Pixel Detector Coupled to Plastic Scintillator with Silicon Photomultiplier ArrayDirectional Detection of Fast Neutrons by the Timepix Pixel Detector Coupled to Plastic Scintillator with Silicon Photomultiplier Array
• Directional Fast Neutron Detector based on Timepix Coupled to Plastic Scintillator SiPM ArrayDirectional Fast Neutron Detector based on Timepix Coupled to Plastic Scintillator SiPM Array
• Engineering model of Timepix particle tracker for RISESAT spacecraft payloadEngineering model of Timepix particle tracker for RISESAT spacecraft payload
• Versatile camera for imaging and particle tracking using secondary electrons and pixel detector TimepixVersatile camera for imaging and particle tracking using secondary electrons and pixel detector Timepix
• Optimization of the spectroscopic response of the Timepix detectorOptimization of the spectroscopic response of the Timepix detector
• BrachyView: Proof-of-principle of a novel in-body gamma camera for low dose-rate prostate brachytherapyBrachyView: Proof-of-principle of a novel in-body gamma camera for low dose-rate prostate brachytherapy
• Software tool for on-line reconstruction of coincident tracks of secondary electronsSoftware tool for on-line reconstruction of coincident tracks of secondary electrons
• Zařízení pro koincidenční zobrazování sekundárními elektronyMethod of coincidence imaging using secondary electrons and a device for executing this method
• BrachyView: A novel in-body imaging system for prostate brachytherapyBrachyView: A novel in-body imaging system for prostate brachytherapy
• Metal micro-detectors for radiation therapy instrumentationMetal micro-detectors for radiation therapy instrumentation
• Breadboard model of Timepix particle tracker for RISESAT spacecraft payloadBreadboard model of Timepix particle tracker for RISESAT spacecraft payload
• Proton beam characterisation of a prototype thin-tile plastic scintillator detector with SiPM readout for use in fast-neutron trackerProton beam characterisation of a prototype thin-tile plastic scintillator detector with SiPM readout for use in fast-neutron tracker
• Linear energy transfer and track pattern recognition of secondary radiation generated in hadron therapy beam in a PMMA targetLinear energy transfer and track pattern recognition of secondary radiation generated in hadron therapy beam in a PMMA target
• Non-invasive monitoring of therapeutic carbon ion beams in a homogeneous phantom by tracking of secondary ionsNon-invasive monitoring of therapeutic carbon ion beams in a homogeneous phantom by tracking of secondary ions