Comparison of Two X-ray Phase-contrast Imaging Methods with a Microfocus Source References and Links

We present a comparison for high-resolution imaging with a laboratory source between grating-based (GBI) and propagation-based (PBI) x-ray phase-contrast imaging. The comparison is done through simulations and experiments using a liquid-metal-jet x-ray microfocus source. Radiation doses required for detection in projection images are simulated as a function of the diameter of a cylindrical sample. Using monochromatic radiation, simulations show a lower dose requirement for PBI for small object features and a lower dose for GBI for larger object features. Using polychromatic radiation, such as that from a laboratory microfocus source, experiments and simulations show a lower dose requirement for PBI for a large range of feature sizes. Tested on a biological sample, GBI shows higher noise levels than PBI, but its advantage of quantitative refractive index reconstruction for multi-material samples becomes apparent.

H M Hertz | M Stampanoni | O. Bunk | C. David | K. Fezzaa | R. Byer | M. Stampanoni | J. Baruchel | E. Roessl | J. Sempau | F. Salvat | J. Zambelli | A. Pogany | T. Weitkamp | B. Masschaele | A. Ritter | P. Bartl | F. Bayer | W. Haas | G. Anton | M. Bech | P. Kraft | E. Eikenberry | C. Brönnimann | C. Grünzweig | T. Thüring | H. Hertz | T. Schlossbauer | S. Schleede | J. Keyriläinen | C. Muehleman | J. Stayman | S. Mayo | M. Stockmar | A. Burvall | N. Bevins | C. Kottler | M. Aslund | S. Rutishauser | I. Zanette | U. Straumann | P. Coan | T. Zhou | U. Lundström | D. Larsson | J. Siewerdsen | J. Durst | P. Takman | D H Larsson | U Lundström | A Burvall | B. Pinzer | M. Otendal | M. Arsenian Henriksson | C David | T Thüring | S Rutishauser | Phase | D. Connor | A. Sztrókay | T Zhou | A. Waluś | U. Westermark | L. Scott | T. Michel | Penelope | F. Pfeiffer | P. Thibault | T. Gureyev | S. Seltzer | A. Rack | M. Leidenius | K. von Smitten | P. Cloetens | A. Bravin | M. Dierick | H. M. Hertz | A. Diaz | T. Flohr | S. Wilkins | D. Gao | A. W. Stevenson | D. Chapman | E. Pisano | Z. Zhong | F Pfeiffer | M. Stampanoni | D Paganin | P. Miller | E. Ziegler | L. Van hoorebeke | T. Thüring | C. David | S W Wilkins | M. Wilhelm | H. Brismar | Hertz | T. Zhou | T. R. Raupach | Flohr | D. U. H. Lundström | A. Larsson | P. A. Burvall | L. Takman | H. Scott | X-Ray Hertz | O Hemberg | D H Larsson | T Weitkamp | C Parham | L. D. Chapman | D. P. Fogarty | T. Tzvetkov | B. Reinhart | G. Khelashvili | T Thüring | U. H. Larsson | M. Westermark | A. Arsenian Henriksson | H. M. Burvall | First | D. Hahn | F. Bamberg | M. Reiser | P Modregger | T Köhler | K. J. Engel | R Raupach | E Fredenberg | M. Danielsson | P C Diemoz | E Pagot | S. Fiedler | J. Härtwig | M. Karjalainen-Lindsberg | M. Langer | V Revol | R. Kaufmann | C. Urban | G H Chen | K. Li | Z. Qi | K Li | G. H. Chen | J Zambelli | X Tang | Y. Yang | S. Tang | T Weber | T Zhou | A Burvall | G W Faris | J Vlassenbroeck | V. Cnudde | P. Jacobs | J H Hubbell | J Baró | J. M. Fernandezvarea | H H Barrett | K. J. Myers | U Lundström

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