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X-ray grating interferometry, as a powerful nondestructive imaging tool in fields like biology and medical tests, works well with conventional X-ray tubes, and provides three kinds of information, the attenuation image, the phase-contrast image and the dark field image, with higher contrast. However, the limited field of view of the sample due to the limited size of gratings and detector hinders the...
X-ray grating-based imaging is a powerful nondestructive tool in many fields. It works well with conventional X-ray tubes and multiple information, that is the attenuation image, the phase-contrast image and the dark-field image, can be obtained in a single scanning. Phase-stepping approach is the gold standard for information retrieval. One of the gratings moves relatively in the along the transverse...
Since the launching of the Compact Pulsed Hadron Source (CPHS) project of Tsinghua University in 2009, works have begun on the design and engineering of an imaging/radiography instrument for the neutron source provided by CPHS. The instrument will perform basic tasks such as transmission imaging and computerized tomography. Additionally, we include in the design the utilization of coded-aperture and...
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