High Power Laser and Particle Beams, Volume. 37, Issue 8, 081001(2025)
Ross pair-filters stack mixed spectrometer for hard X-ray detection
Figures & Tables(19)
Fig. 2. A diagram of Ross pair spectrometer and its response function
Fig. 3. Response functions of each channel in Ross pair-filters stack mixed spectrometer
Fig. 5. Energy deposition on each IP layer of each channel in low energy X-ray spectral detection
Fig. 6. The pre-estimate spectrum obtained from Ross pair channels for low energy X-ray spectral detection
Fig. 8. Response function of filter stack channel for high energy X-ray spectral detection
Fig. 10. Energy deposition on each IP layer of each channel in numerical experiment of high energy X-ray spectral detection
Fig. 11. The pre-estimate spectrum for high energy X-ray spectral detection
Fig. 13. The grayscale images and corresponding PSL values obtained by using Ross pair-stack filter mixed spectrometer and traditional Ross pair
Fig. 14. Results of different estimated spectra combined with data from different channels
Table 1. Filter materials and thickness of Ross pair-filter stack mixed spectrometer
View tableView in ArticleTable 1. Filter materials and thickness of Ross pair-filter stack mixed spectrometer
No. material of channel A filters thickness of channel A filters/μm material of channel B filters thickness of channel B filters/μm material of channel C filters thickness of channel C filters/μm 1 V 20.99 Ti & Al 29.49 & 20.00 Al 50.00 2 Nb 19.93 Cu & Al 46.72 & 20.00 Ti 100.00 3 Sn 41.00 Nb & Al 53.37 & 80.00 Ti 100.00 4 Gd 51.20 Sn & Al 94.04 & 276.49 Cu 100.00 5 Ta 34.96 Gd & Al 102.40 & 355.66 Mo 100.00 6 Pb 285.52 Ta & Cu 246.48 & 93.44 Ag 100.00
Table 2. Spectral accuracy for low energy X-ray spectral detection
View tableView in ArticleTable 2. Spectral accuracy for low energy X-ray spectral detection
pre-estimate spectrum spectral accuracy (sum of squared differences) Ross pair-filters stack mixed spectrometer 9.0059 ×1010traditional filters stack 1 1.2749 ×1011traditional filters stack 2 1.1709 ×1011
Table 3. Filter material and thickness of filters stacked channel for high energy X-ray spectral detection
View tableView in ArticleTable 3. Filter material and thickness of filters stacked channel for high energy X-ray spectral detection
No. material of filters thickness of filters/μm 1 Al 50 2 Ti 100 3 Ti 100 4 Cu 100 5 Mo 100 6 Ag 100 7 Sn 1000 8 Sn 3000 9 Ta 2000 10 Ta 4000 11 Ta 6000
Table 4. Spectral accuracy for high energy X-ray spectral detection
View tableView in ArticleTable 4. Spectral accuracy for high energy X-ray spectral detection
pre-estimate spectrum spectral accuracy (sum of squared differences) Ross pair-filters stack mixed spectrometer 3.5253 ×109traditional filters stack 1 3.7512 ×109traditional filters stack 2 3.7582 ×109
Table 5. Spectral accuracy for Tungsten X-ray tube spectral detection
View tableView in ArticleTable 5. Spectral accuracy for Tungsten X-ray tube spectral detection
pre-estimate spectrum spectral accuracy (sum of squared differences) Ross pair-filters stack mixed spectrometer 1.1267 ×1011traditional Ross pair 1.0822 ×1011traditional filters stack 1 1.4294 ×1011traditional filters stack 2 1.6062 ×1011
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Zichang Wang, Shuoting Shao, Hongjun Yuan, Tianyi Li, Yuxi Liu, Huiya Liu, Qiuping Wang, Huibo Tang, Longyu Kuang, Guangyue Hu. Ross pair-filters stack mixed spectrometer for hard X-ray detection[J]. High Power Laser and Particle Beams, 2025, 37(8): 081001
Paper Information
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Received: Feb. 25, 2025
Accepted: Jun. 17, 2025
Published Online: Aug. 13, 2025
The Author Email: Huibo Tang (tanghb@hit.edu.cn), Longyu Kuang (kuangly0402@sina.com), Guangyue Hu (gyhu@ustc.edu.cn)
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