Hao XUAN, Yongan LIU, Pengfei QIANG, Tong SU, Xianghui YANG, Lizhi SHENG, Baosheng ZHAO. Design and Modulation Performance of Ultrafast Light-controlled Pulsed X-ray Tube with Photocathode[J]. Acta Photonica Sinica, 2021, 50(7): 195
- Acta Photonica Sinica
- Vol. 50, Issue 7, 195 (2021)
Fig. 1. LED modulation circuit
Fig. 2. Anode and photocathode parts of light-controlled pulsed X-ray tube
Fig. 3. Focus simulation of the electron emitted from photocathode
Fig. 4. Schematic diagram of the light-controlled pulsed X-ray tube
Fig. 5. Simulation on light intensity distribution at different distance
Fig. 6. Schematic diagram of the experiment to the modulation ability of X-ray tube
Fig. 7. Range of tube current in different anode voltage with different LED
Fig. 8. The relationship between LED power and tube current
Fig. 9. Change rate of X-ray photon number under different tube current
Fig. 10. Restored waveform situation with input signal in different frequencies
Fig. 11. Gaussian pulse contour restoration under different anode voltages
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Table 1. Characteristics of LED （460 nm）
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