grating-based phase contrast imaging

Grating-based phase contrast imaging is a technique that enhances the visibility of soft tissues or small structures in images, such as in medical scans. It uses special patterns called gratings to split and recombine X-ray waves, detecting tiny shifts caused by differences in tissue density. Unlike traditional X-ray images that rely mainly on absorption, this method captures phase changes in X-ray waves, producing clearer, more detailed images of soft materials. This approach improves diagnostic capabilities by revealing structures that are otherwise difficult to see with regular X-ray imaging.