Acta Optica Sinica, Volume. 42, Issue 11, 1134011(2022)
Hard X-Ray Transmission Imaging with Spherically Bent Crystal
Figures & Tables(7)
Fig. 1. Schematic diagrams of X-ray transmission and X-ray Bragg reflection. (a) Schematic diagram of X-ray transmission; (b) schematic diagram of X-ray Bragg reflection
Fig. 2. Imaging optical path of spherical crystal. (a) Reflection imaging; (b) transmission imaging
Fig. 3. Grid image results of crystal transmission simulation imaging under different b. (a) b=60.0 mm (Mm=0.74, Ms=1.87); (b) b=70.0 mm (Mm=0.86, Ms=1.93); (c) b=81.1 mm (Mm=1.00, Ms=2.00); (d) b=100.0 mm (Mm=1.23, Ms=2.12); (e) b=160.0 mm (Mm=1.97, Ms=2.50); (f) b=243.3 mm (Mm=3.00, Ms=3.00)
Fig. 5. Experimental diagram of Cu Kα backlight imaging with spherical transmission crystal
Fig. 6. Results of spherical crystal transmission imaging under different b. (a) b=60 mm; (b) b=70 mm; (c) b=80 mm; (d) b=100 mm; (e) b=130 mm; (f) b=160 mm
Table 1. Bragg angle range in Laue transmission crystal structure
View tableTable 1. Bragg angle range in Laue transmission crystal structure
Crystal Miller index 2d /nm n Energy /keV λ /nm θ /(°) Mica (002) 1.9842 3 8--100 0.0124--0.1550 1.074--13.553 α-quartz (2020) 0.4264 1 8--100 0.0124--0.1550 1.666--21.316 α-quartz (1011) 0.6687 1 8--100 0.0124--0.1550 1.063--13.403 α-quartz (1010) 0.8512 1 8--100 0.0124--0.1550 0.835--10.492 Ge (111) 0.6532 1 8--100 0.0124--0.1550 1.088--13.727 Si (111) 0.6271 1 8--100 0.0124--0.1550 1.133--14.310
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Jun Shi, Yuxin Zhao, Miao Li, Feng Wang, Guohong Yang, Minxi Wei. Hard X-Ray Transmission Imaging with Spherically Bent Crystal[J]. Acta Optica Sinica, 2022, 42(11): 1134011
Paper Information
Category: X-Ray Optics
Received: Jan. 17, 2022
Accepted: Apr. 7, 2022
Published Online: Jun. 3, 2022
The Author Email: Li Miao (limiao@cqupt.edu.cn)
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