Single-shot grating-based x-ray differential phase contrast imaging with a modified analyzer grating Project supported by the National Natural Science Foundation of China (Grant Nos. 11275204, 11475175, and 11405175), the China Postdoctoral Science Foundation (Grant No. 2017M612097), and the Fundamental Research Funds for the Central Universities (Grant No. WK2310000065) |
(a) Structures of the proposed staggered grating with two rows in one extraction unit and (b) the original staggered grating with four rows in one extraction unit. |