Experimental research on the feature of an x-ray Talbot–Lau interferometer versus tube accelerating voltage*
Wang Sheng-Haoa)†, Margie P. Olbinadob), Atsushi Momoseb), Hua-Jie Hana), Hu Ren-Fanga), Wang Zhi-Lia), Gao Kuna), Zhang Kaic), Zhu Pei-Pingc), Wu Zi-Yua),c)‡
       
The x-ray imaging results of the PMMA cylinder obtained at an accelerating voltage of 35 kV, showing (a) conventional absorption image, (b) refraction signal, and (c) normalized visibility image. All the images are windowed for optimized appearance with a linear gray scale.