3D imaging techniques such as computed tomography,ultrasonography,and magnetic resonance imaging usually combine many scans computationally.Here,we report a 3D imaging approach using an optical-laser diffraction micro...3D imaging techniques such as computed tomography,ultrasonography,and magnetic resonance imaging usually combine many scans computationally.Here,we report a 3D imaging approach using an optical-laser diffraction microscope with two different wavelength lasers in the same orientation.A double-layered sample constructed of silica spheres is used for coherent diffraction imaging;with two lasers at 543 and 432 nm.The diffraction patterns obtained using a planar detector at a high numerical a pert are arc projected onto the Ewald spheres.3D images of the double-layered sample are successfully reconstructed from the two-color spherical diffraction patterns.展开更多
基金The National Natural Science Foundation of China(Nos.61127011,61575159)the China Postdoctoral Science Foundation(No.2015M570846)the Department of Education Fund in Shaanxi Province of China(No.15JK1529)
基金supported by the Major State Basic Research Development Program of China(No.2014CB910401)the National Natural Science Foundation of China(Nos.31430031,21390414,and U1332118)
文摘3D imaging techniques such as computed tomography,ultrasonography,and magnetic resonance imaging usually combine many scans computationally.Here,we report a 3D imaging approach using an optical-laser diffraction microscope with two different wavelength lasers in the same orientation.A double-layered sample constructed of silica spheres is used for coherent diffraction imaging;with two lasers at 543 and 432 nm.The diffraction patterns obtained using a planar detector at a high numerical a pert are arc projected onto the Ewald spheres.3D images of the double-layered sample are successfully reconstructed from the two-color spherical diffraction patterns.
