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Volume: 68 | Article ID: 010505
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Detection Performance of X-ray Cascaded Talbot–Lau Interferometers Using W-absorption Gratings
  DOI :  10.2352/J.ImagingSci.Technol.2024.68.1.010505  Published OnlineJanuary 2024
Abstract
Abstract

The X-ray Talbot–Lau interferometer is a sensitive method for probing wavefront phase distribution and high-energy-density plasmas. In this study, we have quantitatively calculated the fringe visibility obtained using an X-ray cascaded Talbot–Lau interferometer (CTLI) with W-absorption gratings of different structural heights. A cascaded configuration with different W-absorption gratings was built experimentally to verify the validity of the calculation results. The relationship between the sensitivity of the interferometers and the duty ratio of the gratings is also discussed. The analytical results presented in this study will be useful for optimizing the design and fabrication of W-absorption gratings to improve the sensitivity of X-ray CTLI.

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Jianheng Huang, Jiacheng Zeng, Minghui Zhu, Chengming Feng, Yaohu Lei, Xin Liu, Ji Li, "Detection Performance of X-ray Cascaded Talbot–Lau Interferometers Using W-absorption Gratingsin Journal of Imaging Science and Technology,  2024,  pp 1 - 6,  https://doi.org/10.2352/J.ImagingSci.Technol.2024.68.1.010505

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Copyright © Society for Imaging Science and Technology 2024
  Article timeline 
  • received April 2023
  • accepted August 2023
  • PublishedJanuary 2024

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