Journal Article Research Support, Non-U.S. Gov't beam expander bent Laue diffraction biomedical imaging double-crystal monochromator dynamic imaging Berg–Barrett topography K-edge absorption Lang topography X-ray diffraction X-ray imaging anaesthesia beam position monitor bent Laue double-crystal monochromator computer-aided design double bent Laue monochromator finite-element analysis geometric and polychromatic focus in-line phase imaging magic condition phase space polychromatic focus remote physiological monitoring three-dimensional printing