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X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...

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

Hao Zhang¹, Xiongjian Huang^1,2, Tianze Wan^1,3

¹State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China.

Nature Communications

|July 2, 2025

Summary

Researchers developed novel scintillator active fiber arrays for high-resolution X-ray imaging. These arrays enable long-distance signal transmission in challenging environments, overcoming limitations of current thin-film detectors.

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Area of Science:

Materials Science
Optics and Photonics
Medical Imaging

Background:

Current scintillator arrays are limited to thin films and blocks, hindering simultaneous high-resolution imaging and long-distance signal transmission.
Challenging environments like aerospace, nuclear reactors, and biological regions require advanced X-ray detection capabilities.

Purpose of the Study:

To design and develop novel scintillator active fiber arrays capable of both high-resolution X-ray imaging and long-distance signal transmission.
To overcome the limitations of existing scintillator technologies for applications in demanding environments.

Main Methods:

Engineered scintillator active fiber arrays using glass embedded with cesium copper halide (Cs₃Cu₂X₅) nanocrystals.
Achieved controlled crystallization of Cs₃Cu₂X₅ within the glass matrix.
Fabricated low-loss active fibers into a high-density array of approximately 1,600 pixels using waveguide structuring.

Main Results:

Demonstrated high-resolution imaging capability with 48 line pairs per millimeter (lp mm^-1), approaching the theoretical limit.
Achieved low-loss signal transmission over approximately 5 meters.
Developed a detector capable of penetrating complex structures for effective low-dose imaging.

Conclusions:

The developed scintillator active fiber arrays offer a new platform for advanced X-ray imaging.
This technology supports scalable, high-density fiber-optic X-ray detection for scientific and industrial applications.
The novel design enables effective imaging in previously inaccessible or challenging environments.