High Power Laser and Particle Beams, Volume. 34, Issue 11, 116001(2022)
Preliminary study on scatter quantification method for flash Multi-MeV radiography
Figures & Tables(11)
Fig. 1. Basic layout and improvement plan (framed) of flash radiography
Fig. 3. Primary and scatter X-ray distribution of FTO-U35 with inverted collimation
Fig. 4. Expected intensity distribution of FTO-U35 at the 2D array and downstream slit
Fig. 5. Expected intensity distribution of the array screen and the adjusted slit quasi-FFTO-U35 photography
Fig. 6. FTO-U30 camera slit straight through and scattering intensity distribution before and after collimation
Fig. 7. FTO-U40 camera slit straight through and scattering intensity distribution before and after collimation
Fig. 8. FTO-U45 photographic slit straight-through and scattering intensity distribution before and after collimation
Fig. 9. Schematic diagram of the visualized cross-section of the array collimator
Table 1. Calibration of
R by FTO-U30 object to estimate the scattering value of other objectsView tableView in ArticleTable 1. Calibration of
R by FTO-U30 object to estimate the scattering value of other objectsobject name variation before and after slit collimation (measurement) simulated scatter value calculated scatter value scatter after collimation (simulation) R relative deviation/% FTO-U30(for calibration) 0.0294 0.064 — 0.0059 0.0975 — FTO-U40 0.035 0.055 0.056 — 0.0975 +1.8 FTO-U45 0.035 0.055 0.056 — 0.0975 +1.8
Table 2. Calibration of
R by FTO-U45 object to estimate the scattering value of other objectsView tableView in ArticleTable 2. Calibration of
R by FTO-U45 object to estimate the scattering value of other objectsobject name variation before and after slit collimation (measurement) simulated scatter value calculated scatter value scatter after collimation (simulation) R relative deviation/% FTO-U45(for calibration) 0.0354 0.055 — 0.0052 0.0945 — FTO-U30 0.0294 0.062 0.046 — 0.0945 −25.6 FTO-U35 0.034 0.060 0.053 — 0.0945 −11.7
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Qinggang Jia, Pengcheng Mao, Wenyuan Wang, Linghai Kong, Bo Yang, Haibo Xu. Preliminary study on scatter quantification method for flash Multi-MeV radiography[J]. High Power Laser and Particle Beams, 2022, 34(11): 116001
Paper Information
Category: Nuclear Science and Engineering
Received: Nov. 12, 2021
Accepted: Jul. 7, 2022
Published Online: Oct. 18, 2022
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