Areal density measurement technology for metal foils based on X-ray bent crystal imaging

Haoxuan Si; Hao Xu; Huiyao Du; Shengzhen Yi; Zhanshan Wang

doi:10.11884/HPLPB202335.230161

High Power Laser and Particle Beams, Volume. 35, Issue 11, 112001(2023)

Areal density measurement technology for metal foils based on X-ray bent crystal imaging

Haoxuan Si^1,2,3,4, Hao Xu^1,2,3,4, Huiyao Du^1,2,3,4, Shengzhen Yi^1,2,3,4、*, and Zhanshan Wang^1,2,3,4、*

¹Institute of Precision Optical Engineering Technology, School of Physical Science and Engineering, Tongji University, Shanghai 200092, China

²Key Laboratory of Advanced Microstructured Materials, Tongji University, Shanghai 200092, China

³Shanghai Digital Optics Frontier Science Research Base, Shanghai 200092, China

⁴Shanghai Full-Spectrum High-Performance Optical Thin Film Devices and Application Professional Technical Service Platform, Shanghai 200092, China

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Fig. 1. Scheme diagram of the toroidal crystal to measure areal density

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Fig. 2. Image of a 600-mesh gold mesh by Ge toroidal crystal Ge 超环面弯晶对600目金网的成像结果

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Fig. 3. X-ray Tracer simulated imaging and spectroscopic resolution of Ge toroidal crystal X-ray Tracer模拟Ge 超环面弯晶的成像及能谱分辨

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Fig. 4. Experimental arrangement of toroidal crystal for measuring the areal density of foam gold

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Fig. 5. Results of areal density measurement of foam gold in toroidal crystal

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Fig. 6. Sources and classification of uncertainty of areal density measurement

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Table 1. Optical structure parameters of toroidal crystal system for Ge \begin{document}$\left\langle 511 \right\rangle $\end{document}
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Table 1. Optical structure parameters of toroidal crystal system for Ge \begin{document}$\left\langle 511 \right\rangle $\end{document}
crystal material crystal orientation θ/(°) R_m/mm R_s/mm object distance/mm image distance/mm
Ge $\left\langle 511 \right\rangle $ 77.74 300 286.5 171.01 1 026.05

Table 2. Ge \begin{document}$\left\langle 511 \right\rangle $\end{document} measurement of surface density of foam gold sample

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Table 2. Ge \begin{document}$\left\langle 511 \right\rangle $\end{document} measurement of surface density of foam gold sample

No.	image coordinates/mm	direct light count (I₀)	transmitted light count (I)	transmissivity/%	areal density/(mg/cm²)	thickness/μm
P_1	(409,276)	3 309	600	18.132	15.856	8.207
P_2	(432,274)	3 003	590	19.647	15.108	7.820
P_3	(441,281)	2 871	554	19.296	15.290	7.914
P_4	(415,298)	3 433	609	17.740	16.055	8.310
P_5	(436,297)	3 523	624	17.712	16.072	8.319
P_6	(395,313)	3 450	647	18.754	15.547	8.047
P_7	(427,324)	3 599	613	17.033	16.432	8.505
P_8	(403,326)	3 366	594	17.647	16.107	8.337

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Haoxuan Si, Hao Xu, Huiyao Du, Shengzhen Yi, Zhanshan Wang. Areal density measurement technology for metal foils based on X-ray bent crystal imaging[J]. High Power Laser and Particle Beams, 2023, 35(11): 112001

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Paper Information

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Received: May. 31, 2023

Accepted: Oct. 11, 2023

Published Online: Dec. 26, 2023

The Author Email: Yi Shengzhen (15006@tongji.edu.cn), Wang Zhanshan (wangzs@tongji.edu.cn)

DOI:10.11884/HPLPB202335.230161

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Optical structure parameters of toroidal crystal system for Ge \begin{document}$\left\langle 511 \right\rangle $\end{document}

Table 1. Optical structure parameters of toroidal crystal system for Ge \begin{document}$\left\langle 511 \right\rangle $\end{document}

Table 2. Ge \begin{document}$\left\langle 511 \right\rangle $\end{document} measurement of surface density of foam gold sample

Table 2. Ge \begin{document}$\left\langle 511 \right\rangle $\end{document} measurement of surface density of foam gold sample