The imaging principle and experimental results for several X-ray phase contrast, such as X-ray interferometer, diffraction enhanced X-ray imaging, In-line X-ray imaging and phase imaging with the intensity transport equation, are introduced.
本文介绍了近年来X射线位相衬度成像技术的发展状况,详细论述了X射线干涉相衬、衍射增强相衬,类同轴相衬和数字位相重构等几种典型的成像原理,讨论了影响成像衬度与分辨率的若干因素,并对位相成像的发展趋势作了展望。