Yang Yang, Bingli Zhu, Yongsheng Gou, Zhen Chen, Xiaohong Bai, Junjun Qin, Yonglin Bai, Baiyu Liu, Peng Xu, Bo Wang, Weiwei Cao. Sealed X-ray framing tube with CsI photocathode to achieve high detection efficiency and stability[J]. High Power Laser and Particle Beams, 2021, 33(9): 092001
- High Power Laser and Particle Beams
- Vol. 33, Issue 9, 092001 (2021)
Fig. 1. Transmittance of Be window with different thickness as a function of X-ray photon energy
Fig. 2. Normalized yield of reflection mode CsI photocathode as a function of cathode thickness
Fig. 3. Schematic structure of the sealed X-ray framing tube
Fig. 4. Flow chart of sealed X-ray framing tube fabrication
Fig. 5. Sealed X-ray framing tube (a) and electric control system (b)
Fig. 6. Temporal resolution measurement setup
Fig. 7. Measured temporal resolution of X-ray framing tube, the measured exposure time is 65 ps
Fig. 8. Experimental setup of static response test
Fig. 9. Static response image of sealed X-ray framing tube
Fig. 10. (a) Normalized intensity of sealed X-ray framing tube with CsI photocathode as a function of storage time and (b) normalized intensity of open-structured X-ray framing tube with Au photocathode as a function of accumulated air exposure time
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