Abstract
We demonstrate backscattering X-ray imaging using a Fresnel zone aperture (FZA), where the line width of the outermost circle is 100 μm. The method is a lensless imaging technique employing an optical aperture instead of a lens. We successfully reconstructed test objects from four images observed using a series of FZAs without an iterative procedure during the reconstruction process. We also confirmed the successful reconstruction of a series of images by changing the focal plane in a short computer calculation time, indicating that 3D information can be obtained by measuring a single set of four images.
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