Chinese Journal of Quantum Electronics ›› 2022, Vol. 39 ›› Issue (6): 851-862.doi: 10.3969/j.issn.1007-5461.2022.06.003

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Progress on X-ray diffraction imaging via intensity correlation

TAN Zhijie 1 , YANG Hairui 1,2,3 , YU Hong 1,2,3 , HAN Shensheng 1,2,3∗   

  1. 1 Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; 2 Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; 3 University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2022-06-28 Revised:2022-09-27 Published:2022-11-28 Online:2022-12-14

Abstract: Diffraction imaging via intensity correlation is a novel diffraction imaging method based on the high-order correlation characteristics of optical field. The Fourier information of a sample can be obtained nonlocally by calculating the correlation between the intensity fluctuation of the reference beam and the test beam. As a new imaging method, diffraction imaging via intensity correlation has the advantages of nonlocal imaging, low radiation and high resolution and so on, thus it can solve problems that are difficult to handle by conventional imaging. This technology has attracted much attention recently, and has great potential in biomedicine, material science and many other fields in the future. In this paper, the latest progress of diffraction imaging via intensity correlation is briefly reviewed, and some related image reconstruction algorithms are introduced. Finally, the existing problems of this method are pointed out and its future development is prospected.

Key words: quantum optics, imaging systems, ghost imaging, diffraction imaging, image reconstruction

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