Three-dimensional tomography using a soft X-ray holographic microscope and CCD camera.
作者信息
Watanabe N, Aoki S
机构信息
Institute of Applied Physics, University of Tsukuba, Tennoudai, Tsukuba, Ibaraki 305, Japan.
出版信息
J Synchrotron Radiat. 1998 May 1;5(Pt 3):1088-9. doi: 10.1107/S0909049597018943.
PMID:15263754
Abstract
The depth resolution of a soft X-ray hologram is much worse than its transverse resolution because a single soft X-ray hologram has a small numerical aperture. To obtain a three-dimensional image, in-line holograms of a specimen were recorded from various directions and reconstructed to obtain two-dimensional projection data. Then, a three-dimensional reconstruction was performed by back-projection of these reconstructed holograms. Three-dimensional images of a tungsten wire of diameter 10 micro m and a fossil of a diatom were obtained.
摘要
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