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- W1645947275 abstract "A propagation-based x-ray phase-contrast imaging (PBI) setup using a conventional x-ray source (LFF Cu target) is presented. A virtual x-ray source of 40 x 50m 2 was created by using, horizontally, a 6 o take-o angle (with the x-ray tube working in the line focus geometry) and, vertically, a 50 m slit . The sample was set 12 m from the source. Propagation-based x-ray phase-contrast (PB) image and conventional radiography (CR) of a polypropylene tube were acquired. Edge enhanced eects and a crack, not detected in CR, were clearly seen in the PB image. Contrast, visibility of the object edges and signal to noise ratio of the acquired images were exploited. The results show that PB images can be acquired by using normal focus (macro focus) conventional x-ray sources. This apparatus can be used as an standard phase-contrast imaging setup to analyze dierent kind of samples with large eld of view (75 x 75 mm 2 ), discarding the use" @default.
- W1645947275 created "2016-06-24" @default.
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- W1645947275 date "2007-10-05" @default.
- W1645947275 modified "2023-09-27" @default.
- W1645947275 title "Propagation-based x-ray phase-contrast imaging with broad focus conventional x-ray sources" @default.
- W1645947275 hasPublicationYear "2007" @default.
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