[1] Wang Z, Hauser N, Kubikhuch R A, et al. Quantitative volumetric breast density estimation using phase contrastmammography[J]. Physics in Medicine and Biology, 2015, 60(10): 4123-4135.

[2] Li J P, Chen L, Fang B. Study on diffraction efficiency of phase interferometer for dynamic interferometer[J]. Infrared and Laser Engineering, 2015, 44(9): 2696-2701. (in Chinese)

[3] Lei Y H, Du Y, Li J, et al. Application of Bi absorption gratings in grating-based X-ray phase contrast imaging[J]. Applied Physics Express, 2013, 6(11): 117301.

[4] Lider V V, Kovalchuk M K. X-ray phase-contrast methods[J]. Crystall Ography Reports, 2013, 58(6): 769-787.

[5] Munro P R, Hagen C K. A simplified approach to quantitative coded aperture X-ray phase imaging[J]. Optics Express, 2013, 21(9): 11187-11201.

[6] Miao H, Chen H, Bennett E E, et al. Motionless phase stepping in X-ray phase contrast imaging with a compact source[J]. Proceedings of the National Academy of Sciences of the United States of America, 2013, 110(48): 19268-19272.

[7] Li T T, Li H. X-ray differential grating imaging simulation[J]. System Simulation Express, 2009, 21(2): 204-210. (in Chinese)

[8] Mu Y N, Li P, Wang H. Contrastive analysis of single grating and double grating diffraction angle detection [J]. Infrared and Laser Engineering, 2014, 43(5):1616-1620. (in Chinese)

[9] Weitkamp T. Phase retrieval and differential phase-contrast imaging with low-brilliance X-ray sources[J]. Nature Physics, 2006, 2(4): 258-261.

[10] Lei Y H, Huang J H. Improvement of visibility of moiré fringe in X-ray differential phase-contrast imaging [J]. Journal of Shenzhen University Science and Engineering, 2016, 33(5): 506-510.

[11] Huang J H, Lin J Y. Analysis and simulation of mid-energy X-ray grating phase contrast microscopy imaging [J]. Acta Optica Sinica, 2011, 31(10): 1034001. (in Chinese)