Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity

Pengju Sheng; Fucai Zhang

doi:10.1038/s41377-025-01860-8

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Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity

Original Articles

- Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity
- Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity
- LSA 2025年14卷第8期页码：2350-2359
- Affiliations：
  
  Department of Electronic and Electrical Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, China
- Author bio：
  
  Fucai Zhang (zhangfc@sustech.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01860-8
  中图分类号：
- 收稿日期：2024-08-05，
  
  修回日期：2025-03-28，
  
  录用日期：2025-04-03，
  
  网络出版日期：2025-07-01，
  
  纸质出版日期：2025-08-31
- Accepted：
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Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity[J]. LSA, 2025,14(8):2350-2359.

Sheng, P. J. & Zhang, F. C. Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity. Light: Science & Applications, 14, 2350-2359 (2025).
Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity[J]. LSA, 2025,14(8):2350-2359. DOI： 10.1038/s41377-025-01860-8.

Sheng, P. J. & Zhang, F. C. Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity. Light: Science & Applications, 14, 2350-2359 (2025). DOI： 10.1038/s41377-025-01860-8.

摘要

Abstract

Coherent diffraction imaging (CDI) provides lens-free imaging with diffraction-limited resolution and has become an important imaging modality at synchrotron facilities worldwide. The performance of current CDI approaches remains limited

particularly in their ability to handle dynamic samples or achieve consistent high-quality reconstructions. Here

we propose a novel coherent imaging approach for dynamic samples

which exploits the inter-frame continuity of the sample's local structures as an additional constraint in phasing a sequence of diffraction patterns. Our algorithm incorporates an adaptive similarity determination procedure

eliminating the requirement for invariant regions in the sample and ensuring broad applicability to diverse sample types. We demonstrated the feasibility of this technique through experiments on various dynamic samples

achieving high-fidelity reconstructions within a few hundred iterations. With the same simple setup as conventional CDI

high image quality

and the ability to separate the sample transmission from its illumination probe

our method has the potential to significantly advance X-ray imaging and electron microscopy techniques for dynamic sample analysis.

关键词

Keywords

references

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