A method for phase reconstruction from measurements obtained using a configured detector with a scanning transmission X-ray microscope

Martin D. de Jonge*, Stefan Vogt, Daniel Legnini, Ian McNulty, Christoph Rau, David Paterson, Benjamin Hornberger, Christian Holzner, Chris Jacobsen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We developed a technique for performing quantitative phase reconstructions from differential phase contrast images obtained using a configured detector in a scanning transmission X-ray microscope geometry. The technique uses geometric optics to describe the interaction of the X-ray beam with the specimen, which allows interpretation of the measured intensities in terms of the derivative of the phase thickness. Integration of the resulting directional derivatives is performed using a Fourier integration technique. We demonstrate the approach by reconstructing simulated measurements of a 0.5 - μ m-diameter gold sphere at 7-keV photon energy.

Original languageEnglish (US)
Pages (from-to)218-220
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume582
Issue number1
DOIs
StatePublished - Nov 11 2007

Keywords

  • Configured detector
  • Differential phase contrast
  • Phase retrieval
  • STXM

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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