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    題名: Reconstruction from in-line electron holograms by digital processing
    作者: 林震安;Lin, J. A.;Cowley, John M.
    貢獻者: 淡江大學物理學系
    日期: 1986
    上傳時間: 2009-12-31 10:52:52 (UTC+8)
    出版者: Elsevier
    摘要: 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.
    關聯: Ultramicroscopy 19(2), pp.179-190
    DOI: 10.1016/0304-3991(86)90204-4
    顯示於類別:[物理學系暨研究所] 期刊論文

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