High-resolution X-ray CCD camera based on the first generation image intensifier

Liu Shulin; Yang Luping; Dong Yuhui; Huang Mingju; Su Detan; Yan Baojun; Wen Kaile; Qi Huirong; Yang Yuzhen; Yu Yang

doi:10.5768/JAO201738.0505001

Journal of Applied Optics > 2017 > 38(5): 810-814. > DOI: 10.5768/JAO201738.0505001

Liu Shulin, Yang Luping, Dong Yuhui, Huang Mingju, Su Detan, Yan Baojun, Wen Kaile, Qi Huirong, Yang Yuzhen, Yu Yang. High-resolution X-ray CCD camera based on the first generation image intensifier[J]. Journal of Applied Optics, 2017, 38(5): 810-814. DOI: 10.5768/JAO201738.0505001

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High-resolution X-ray CCD camera based on the first generation image intensifier

Liu Shulin^{1, 2,},
Yang Luping³,
Dong Yuhui⁴,
Huang Mingju³,
Su Detan⁴,
Yan Baojun^{1, 2},
Wen Kaile^{1, 2},
Qi Huirong^{1, 2},
Yang Yuzhen⁵,
Yu Yang⁶

1.
Institute of High Energy Physics, CAS, Beijing 100049, China
2.
State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China
3.
School of Physics and Electronics, Henan University, Kaifeng 475004, China
4.
North Night Vision Technology Co., Ltd, Kunming 650217, China
5.
School of Physics, Nanjing University, Nanjing 210023, China
6.
School of Sciences, Xi'an University of Technology, Xi'an 710048, China

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Received Date: August 21, 2016
Revised Date: May 22, 2017

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Abstract

Abstract

In order to achieve a higher resolution at lower X-ray doses, a low-cost X-ray CCD camera is developed. The camera uses gadolinium sulfuric acid as a conversion screen, and images enhanced by the first generation image intensifier is coupled to CCD camera through fiber optical taper. In order to improve optical transmission efficiency of the system, a scheme is proposed in which output of image intensifier is directly replaced with fiber optical taper, and its small end is directly coupled with CCD camera. The contrast ratio curve is calculated by gray analysis, and the intrinsic spatial resolution of the system is fitted with 13 Lp/mm. By shooting the actual scene, internal details can be clearly observed, showing a better image quality.
- image intensifier,
- X-ray camera,
- gray analysis,
- resolution,
- coupling,
- CCD camera

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References

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High-resolution X-ray CCD camera based on the first generation image intensifier