Xiaotong Zhong, Huiya Liu, Quanli Dong, Ning Kang, Jie Zhang. Performance Analysis and Experimental Test of X-Ray Spherically Curved Crystal Imaging[J]. Acta Optica Sinica, 2023, 43(19): 1934001
- Acta Optica Sinica
- Vol. 43, Issue 19, 1934001 (2023)
Fig. 1. Spherically curved crystal imaging system. (a) Schematic diagram of the system; (b) image of the backlight detected in the experiment
Fig. 2. Theoretical values of the system performance parameters. (a) Magnification; (b) resolution
Fig. 3. Curves of spatial resolution and imaging efficiency as a function of backlight size
Fig. 4. Curves of spatial resolution at the center and edge of the spherically curved crystal
Fig. 5. Influence of the spherically curved crystal radius error on imaging performance. (a) Magnification; (b) resolution
Fig. 6. Grid imaging results and analysis. (a) 1500 mesh Cu grid imaging result; (b) ESF fitting results
Fig. 7. Grid imaging results and analysis. (a) 1500 mesh Cu grid imaging results; (b) relationship between resolution and distance away from the best imaging area
Fig. 8. Sample of lycorma delicatula
Fig. 9. Images of biological sample. (a) Monochromatic X-ray imaging results of the wings; (b) processing results of the Retinex algorithm
Fig. 10. Flow chart of Retinex algorithm
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