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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27927


    Title: Reconstruction from in-line electron holograms by digital processing
    Authors: 林震安;Lin, J. A.;Cowley, John M.
    Contributors: 淡江大學物理學系
    Date: 1986
    Issue Date: 2009-12-31 10:52:52 (UTC+8)
    Publisher: Elsevier
    Abstract: The digitized in-line electron holograms recorded in an HB-5 STEM instrument were reconstructed by computer processing in place of optical reconstruction. The important parameters of the holograms, namely the spherical aberration and defocus, can be obtained from the electron Ronchigrams. The reconstructed image shows some improvement in resolution as compared with the STEM bright field image. The main limitations appear to be mechanical vibration, drift of the specimen, the relatively small number of pixels in the images, and the uncertainties in determining the spherical aberration coefficient and defocus value.
    Relation: Ultramicroscopy 19(2), pp.179-190
    DOI: 10.1016/0304-3991(86)90204-4
    Appears in Collections:[物理學系暨研究所] 期刊論文

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