X-rays, synchrotron and safety
نویسندگان
چکیده
منابع مشابه
Synchrotron-based imaging and tomography with hard X-rays
Hard X-ray imaging with synchrotron radiation is a powerful tool to study opaque materials on the microand nano-lengthscales. Different imaging methods are available with an instrument recently built at Sector 34 of the Advanced Photon Source. In-line phase contrast imaging is performed with micrometer resolution. Increased spatial resolution is achieved using cone-beam geometry. The almost par...
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Recent detections of both synchrotron X-ray and TeV gamma-ray emissions from several supernova remnants (SNR) are very exciting. SNR has been widely believed an unique candidate of cosmic-ray origin since the beginning of cosmic-ray physics, nevertheless little observational evidences have been reported so far. These detections are expected to be a clue of not only the galactic cosmicray origin...
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2014 The absolute reflectivity measurement of a multilayer mirror under conditions similar to its future use is one of the means to estimate its performances. The diffraction pattern profile permits to evaluate the relative influence of the different defects (interfacial roughness either intrinsic or induced by the substrats and stacking defects). For these measurements it is necessary to use a...
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For over a century physicists have sought a mathematical theory that unites the dual, wave and corpuscle, behaviors that light exhibits. In the early twentieth century H. Bateman was studying a solution that uses wave functions with singularities to mark light quanta location in space and time as potential singularities do for material particles. He published an incomplete, mathematically obtus...
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A new synchrotron-based technique for elemental imaging that combines radiography and fluorescence spectroscopy has been developed and applied to study the spatial distribution of Ag, Zr and Mo in an Al alloy during heating and melting to 700, and then re-soldification. For the first time, multi-element distributions have been mapped independently and simultaneously, showing the dissolution of ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 1993
ISSN: 0108-7673
DOI: 10.1107/s0108767378088273