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X-ray absorption imaging is a widespread imaging technique in biology and industry as well as diagnostic imaging of the human body in medicine. However, in many situations, there is the need to distinguish between low absorption and even low contrast features such as cancerous and normal tissue in mammography. In this case, the applicability of conventional absorption imaging is limited. X-ray phase...
A number of radiation-related applications in space such as γ-ray detection demands a flexible and wide-range γ-ray source which can serve as calibrating and testing facility for γ-ray detectors and γ-ray sensitive devices. A dedicated wide energy range γ-ray facility with adjustable and modular segments designed for γ-ray detector calibration and testing was built. Gamma rays are obtained from thermal...
The Neutron Activation Analysis is a very sensitive method for determination of element content and composition. However, conventional methods do not provide information regarding the spatial distribution of the elements in the sample. To fulfill this need, we developed an electron imaging device with electron optics which provides element spatial distribution information based on beta-gamma coincidence...
Neutronography and radiography are complementary methods from the point of view of the visibility and contrast of the material imaged. Neutronography is the suitable tool for the observation of light material penetration into a dense material matrix. However, dense materials are difficult to observe using neutronography. X-ray radiography appears complementary as an appropriate tool to determine the...
The charge sharing effect in pixel semiconductor detector is a theoretically well described phenomenon where the charge created by the particle spreads out during the charge collection process and it can be finally collected by several adjacent pixels forming a cluster. However, the experimental confirmation of models describing charge sharing has been little investigated and difficult to realize...
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