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Sample phase gradient and fringe phase shift in dual phase grating X-ray interferometry
One of the key tasks in grating based x-ray phase contrast imaging is to accurately retrieve local phase gradients of a sample from measured intensity fringe shifts. To fulfill this task in dual phase grating interferometry, one needs to know the exact mathematical relationship between the two. In t...
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| Pubblicato in: | Opt Express |
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| Autori principali: | , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Optical Society of America
2019
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7046035/ https://ncbi.nlm.nih.gov/pubmed/31878715 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1364/OE.27.035437 |
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