Author Affiliations
1Research Center of Laser Fusion, CAEP, P. O. Box 919-988, Mianyang 621900, China2North Night Vision Technology Co Ltd, Kunming 650217, China3Institute of Applied Physics and Computational Mathematics, Beijing 100088, Chinashow less
Fig. 1. Electron optics simulation map of coaxial electrode double-focus streak tube
Fig. 2. Coaxial electrode double-focus streak tube
Fig. 3. LFRC’s present design of X-ray streak camera based on coaxial electrode double-focus streak tube inserted inside an air box
Fig. 4. Tested resolution of coaxial electrode double-focus streak tube
Fig. 5. MTF curves for the Petzval corrector scheme
Fig. 6. Electron optics simulation image of bilamellar streak tube showing the spatial resolution
Fig. 7. Bilamellar electron optics streak tube
Fig. 8. Curves for signal position on the cathode vs CCD count
Fig. 9. Width of the collection surface as a function of the inverse of the extracting field
Fig. 10. Static focused image of coaxial electrode double-focus streak tube
Fig. 11. Static focused image of bilamellar streak tube
Fig. 12. Electron optics simulation map of double-cathode bilamellar streak tube and resolution chart
Fig. 13. Photograph of double cathode of the streak tube
Fig. 14. Section view of bilamellar streak tube with 3ω backlighting ultraviolet fiducial
Fig. 15. Cross section of the streak tube with 4ω fiducial
Fig. 16. Timing of the CMOS charge dump and read camera
Fig. 17. Timing of the hybrid CMOS camera
Fig. 18. Temporal relations between trigger pulse,gating pulse and optical signal pulse
Fig. 19. Ambient noise reduction through cathode gating
calibration test | Xsc1* of LFRC (coaxial cylinder electrode) | notes | *Xsc1: X-ray streak camera 1 | temporal resolution | 0.5% of full screen streak time | 100 μm slit width before cathode | spatial resolution/(lp·mm−1)
| 20 @10%CTF | in the center of the cathode | dynamic range (5 ns sweep) | ~200∶1 | variation of 20% of the measured temporal FWHM | effective cathode length/mm | 30 | 5 lp/mm@10%CTF at the edge of the cathode | magnification | 1.26 | cathode high voltage at 12 kV |
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Table 1. Performance of X-ray streak camera based on coaxial cylinder electrode steak tube
同轴电极扫描管X射线条纹相机技术指标
calibration test | Xsc2* for LFRC(bilamellar electron-optical system) | notes | *Xsc2: X-ray streak camera 2 | temporal resolution | 0.35% of full screen streak time | 1 mm slit width before cathode | spatial resolution/(lp·mm−1)
| 30 @10%CTF | in the center of the cathode | dynamic range(5 ns sweep) | ~200∶1 | variation of 20% of the measured temporal FWHM | effective cathode length/mm | 22 | 10 lp/mm@10%CTF at the edge of the cathode | magnification | 1.62 | cathode high voltage at 12 kV |
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Table 2. Performance of X-ray streak camera based on bilamellar electron-optical steak tube
双板电极扫描管X射线条纹相机技术指标