Holotomography versus X-ray grating interferometry: A comparative study
X-ray phase-contrast imaging techniques are used at synchrotron facilities to visualize tiny density variations in bulk samples. They overcome the limitations of other non-destructive methods, which often provide insufficient spatial and/or density resolution. Holotomography (HT) and X-ray grating i...
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| Veröffentlicht in: | Applied physics letters 2013-12, Vol.103 (24) |
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| container_title | Applied physics letters |
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| creator | Zanette, I. Lang, S. Rack, A. Dominietto, M. Langer, M. Pfeiffer, F. Weitkamp, T. Müller, B. |
| description | X-ray phase-contrast imaging techniques are used at synchrotron facilities to visualize tiny density variations in bulk samples. They overcome the limitations of other non-destructive methods, which often provide insufficient spatial and/or density resolution. Holotomography (HT) and X-ray grating interferometry (XGI) are among the most powerful phase-contrast techniques. Here, we show a direct comparison of HT versus XGI. We find that XGI excels in fidelity of the density measurements and is more robust against low-frequency artifacts, while HT is superior in spatial resolution. This study gives indications for applications and developments of phase-contrast imaging. |
| doi_str_mv | 10.1063/1.4848595 |
| format | Article |
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| language | eng |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | Applied physics Bioengineering Bulk density Comparative studies Imaging Imaging techniques Interferometry Life Sciences Nondestructive testing Spatial resolution |
| title | Holotomography versus X-ray grating interferometry: A comparative study |
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