X-ray holograms of two- or three-dimensionally distributed objects are recorded and reconstructed. The in-line holograms of a line-like object of a chemical fiber and a point-like object of red blood cell are made using AlKα radiation (8.34Å) from a two-stage fine focus X-ray generator. A magnified real image is reconstructed from the negative hologram using a He–Ne laser (6328Å). A lateral resolution of about 4 µm and a longitudinal resolution of about 4 mm are obtained in the two-step imaging process.
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Aoki et al. (1974) studied this question.