Coherent x-ray diffraction imaging of paint pigment particles by scanning a phase plate modulator

Details Coherent x-ray diffraction imaging of paint pigment particles by scanning a phase plate modulator Coherent x-ray diffraction imaging of paint pigment particles by scanning a phase plate modulator

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011njph...13j3022c&link_type=abstract

New Journal of Physics, Volume 13, Issue 10, pp. 103022 (2011).

Physics

Scientific paper

We have implemented a coherent x-ray diffraction imaging technique that scans a phase plate to modulate wave-fronts of the x-ray beam transmitted by samples. The method was applied to measure a decorative alkyd paint containing iron oxide red pigment particles. By employing an iterative algorithm for wave-front modulation phase retrieval, we obtained an image of the paint sample that shows the distribution of the pigment particles and is consistent with the result obtained from a transmission x-ray microscope. The technique has been experimentally proven to be a feasible coherent x-ray imaging method with about 120 nm spatial resolution and was shown to work well with industrially relevant specimens.

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