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<p>This article explores the performance and capabilities of a custom-developed full-field XRF imaging spectrometer operating at limited energy resolution (1.1 keV FWHM at 5.9 keV) for elemental mapping of three-dimensional (3D) objects. The measurements performed involved two, different in spatial depth, historical artworks from the collection of the National Museum in Krakow. The first is an object of low significance, used in principle as a phantom, while the second is an actual cultural heritage object. The resulting maps of elemental distributions are presented, along with detailed descriptions and a discussion on pigment identification. Finally, specific features, analysis artefacts, as well as benefits and limitations of the system are discussed. The results obtained for the investigated objects confirm the capability of the developed instrument for XRF elemental imaging of 3D objects and its usefulness in the field of cultural heritage research.</p>

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Application of a Full-Field macro-XRF imaging spectrometer to non-invasive investigation of elemental composition in three-dimensional artworks

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月3日

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  • Bartłomiej Łach,
  • Tomasz Fiutowski,
  • Julio M. del Hoyo-Meléndez,
  • Stefan Koperny,
  • Paulina Krupska-Wolas,
  • Bartosz Mindur,
  • Piotr Wiącek,
  • Paweł M. Wróbel,
  • Władysław Dąbrowski

摘要

This article explores the performance and capabilities of a custom-developed full-field XRF imaging spectrometer operating at limited energy resolution (1.1 keV FWHM at 5.9 keV) for elemental mapping of three-dimensional (3D) objects. The measurements performed involved two, different in spatial depth, historical artworks from the collection of the National Museum in Krakow. The first is an object of low significance, used in principle as a phantom, while the second is an actual cultural heritage object. The resulting maps of elemental distributions are presented, along with detailed descriptions and a discussion on pigment identification. Finally, specific features, analysis artefacts, as well as benefits and limitations of the system are discussed. The results obtained for the investigated objects confirm the capability of the developed instrument for XRF elemental imaging of 3D objects and its usefulness in the field of cultural heritage research.