Qiuyan Luo, Kaixuan Lin, Jiajie Chen, Jiaheng Wang, Junkun Huang, Wenyong Fu, Houzhi Cai, Jinyuan Liu. Research on Spatial Resolution Characteristics of Pulse Dilation X-Ray Framing Camera[J]. Laser & Optoelectronics Progress, 2022, 59(23): 2311001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 23, 2311001 (2022)
Fig. 1. Schematic diagram of pulsed dilation framing camera structure
Fig. 2. Relationship between magnetic field intensity and position on axis
Fig. 3. Electronic three-dimensional trajectory
Fig. 4. Electron trajectories in XY cross section
Fig. 5. Electron trajectories in YZ cross section
Fig. 6. Position of electron drop point on MCP input surface when electrons are emitted at the center of cathode
Fig. 7. Electron trajectories in XY cross section (X coordinates of the launch position from top to bottom are 3, 2, 1, 0,-1,-2,-3, respectively)
Fig. 8. XY coordinate value of imaging position
Fig. 9. Electron drop point image of MCP input surface
Fig. 10. Simulation results. (a)-(d)Distributions of drop points on the MCP surface when electrons are emitted from different positions; (e) modulation transfer function curves
Fig. 11. Relationship between static spatial resolution and off-axis electron emission position
Fig. 12. Relationship between static spatial resolution and cathode voltage
Fig. 13. Resolution plate diagram of cathode
Fig. 14. Experimental results of static spatial resolution of three magnetic lens imaging
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