Integrated copper-halide activated scintillator fiber array for remote high-resolution X-ray imaging

Hao Zhang, Xiongjian Huang, Tianze Wan, Ruishan Wei, Bozhao Yin, Yakun Le, Shengda Ye, Weiwei Chen, Mingjia Li, Xiudi Xiao, Xiaofeng Liu, Zhiguo Xia, Jianrong Qiu, Zhongmin Yang and Guoping Dong ()
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Hao Zhang: South China University of Technology
Xiongjian Huang: South China University of Technology
Tianze Wan: South China University of Technology
Ruishan Wei: South China University of Technology
Bozhao Yin: South China University of Technology
Yakun Le: South China University of Technology
Shengda Ye: South China University of Technology
Weiwei Chen: South China University of Technology
Mingjia Li: South China University of Technology
Xiudi Xiao: South China University of Technology
Xiaofeng Liu: Zhejiang University
Zhiguo Xia: South China University of Technology
Jianrong Qiu: Zhejiang University
Zhongmin Yang: South China University of Technology
Guoping Dong: South China University of Technology

Nature Communications, 2025, vol. 16, issue 1, 1-9

Abstract: Abstract Long-distance transmission scintillator arrays enable high-resolution X-ray imaging and signal transmission in challenging environments such as aerospace machinery, nuclear reactor cores, and complex biological regions. However, advanced scintillator arrays are still limited to thin films and blocks, which are unable to simultaneously support both imaging and long-distance transmission functions. We address this limitation by designing scintillator active fiber arrays composed of glass embedded with Cs3Cu2X5 (X=Cl, Br, and I) nanocrystals. The scintillator glass forms through controlled crystallization of Cs3Cu2X5, and low-loss (~5 m) active fibers are engineered into an array of approximately 1,600 pixels with high resolution (48 lp mm−1; limit: 60.7 lp mm−1) via waveguide structuring. This detector penetrates complex structures and enables effective low-dose imaging. Our approach supports scalable, high-density fiber-optic X-ray arrays, providing a new platform for advanced imaging in both scientific and industrial applications.

Date: 2025
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DOI: 10.1038/s41467-025-61416-7

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