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@ARTICLE{Boothroyd:201611,
      author       = {Boothroyd, C. B. and Kasama, T. and Dunin-Borkowski, Rafal},
      title        = {{C}omparison of approaches and artefacts in the measurement
                      of detector modulation transfer functions},
      journal      = {Ultramicroscopy},
      volume       = {129},
      issn         = {0304-3991},
      address      = {Amsterdam},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-03905},
      pages        = {18 - 29},
      year         = {2013},
      abstract     = {In order to investigate the reproducibility of measurements
                      of transmission electron microscope detector modulation
                      transfer functions (MTFs) we measure the MTF of a
                      charge-coupled device (CCD) camera using five different
                      methods. MTFs derived from a sharp edge, a circular aperture
                      and electron holographic interference fringes are found to
                      agree closely with one other. The difficulty of obtaining
                      accurate measurements of MTFs and the potential of using
                      focused electron probes to make direct measurements of MTFs
                      is discussed. We highlight the sensitivity of image contrast
                      after deconvolution to small differences in the measured
                      MTF.},
      cin          = {PGI-5},
      ddc          = {570},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {424 - Exploratory materials and phenomena (POF2-424)},
      pid          = {G:(DE-HGF)POF2-424},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000318615800003},
      doi          = {10.1016/j.ultramic.2013.03.001},
      url          = {https://juser.fz-juelich.de/record/201611},
}