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. Author manuscript; available in PMC: 2013 Aug 19.
Published in final edited form as: Phys Med Biol. 2012 Apr 11;57(9):N117–N130. doi: 10.1088/0031-9155/57/9/N117

Figure 1.

Figure 1

Talbot–Lau interferometer used for DPC x-ray imaging. G1 is a π-phase shift grating and G2 is the analyzer grating. G0 allows us to meet the x-ray beam coherence requirement.