Dark-field X-ray technology (IMAGE)
Caption
Schematic of a device for x-ray dark field imaging. The x-rays pass through three so called gratings, which makes it possible to analyze the scattered fraction of the x-rays. These gratings are arrangements of fine lines which alternate between different degrees of x-ray transparency. The x-ray detector then receives a conventional x-ray image which is overlaid with a pattern of narrow fringes. The scattering weakens this additional pattern so that it is weaker in the parts of the image which visualize areas of the body where much x-ray light is diverted by scattering.
Credit
ediundsepp / TUM
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