| A new way of measuring microscope aberrations | |
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MedLine Citation:
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PMID: 10998789 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Two-fold astigmatism, three-fold astigmatism and misalignment (coma) can be found from the orientations only of the diffractograms of a set of images with injected beam tilts--typically eight images with tilts of equal magnitude and azimuths 45 degrees apart. The spherical aberration must be determined independently, and the defocus is not measured; however, the measurement required is very much simpler than the measurement of image displacements or induced defocus/astigmatism values, and no calibration of the microscope magnification is needed. |
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Authors:
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Saxton |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Ultramicroscopy Volume: 81 ISSN: 1879-2723 ISO Abbreviation: Ultramicroscopy Publication Date: 2000 Mar |
Date Detail:
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Created Date: 2000-09-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7513702 Medline TA: Ultramicroscopy Country: NETHERLANDS |
Other Details:
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Languages: Eng Pagination: 41-5 Citation Subset: - |
Affiliation:
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Department of Materials Science and Metallurgy, University of Cambridge, UK. wos1@cam.ac.uk |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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