1. Nottingham Trent University

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    1. Mentioned In 32 Articles

    2. Optical coherence tomography and non-linear microscopy for paintings – a study of the complementary capabilities and laser degradation effects

      Optical coherence tomography and non-linear microscopy for paintings – a study of the complementary capabilities and laser degradation effects
      his paper examines for the first time the potential complementary imaging capabilities of Optical coherence tomography (OCT) and non-linear microscopy (NLM) for multi-modal 3D examination of paintings following the successful application of OCT to the in situ, non-invasive examination of varnish and paint stratigraphy of historic paintings and the promising initial studies of NLM of varnish samples. OCT provides image contrast through the optical scattering and absorption properties of materials ...
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    3. Optical Coherence Tomography (OCT) for the conservation and interpretation of vitreous materials in museums collections with the British Museum & Nottingham Trent University

      Optical Coherence Tomography (OCT) for the conservation and interpretation of vitreous materials in museums collections with the British Museum & Nottingham Trent University
      ... further develop and expand their skills. The student will need to spend concentrated periods of time both at Nottingham Trent University and at the British Museum. This is an Optical coherence tomography (OCT) is a cutt...
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    4. A holistic multimodal approach to the non-invasive analysis of watercolour painting

      A holistic multimodal approach to the non-invasive analysis of watercolour painting
      the materials (pigments, drawing materials and paper) and painting techniques of watercolour paintings is presented. The non-invasive imaging and spectroscopic techniques include VISNIR reflectance spectroscopy and multispectral imaging, micro-Raman spectroscopy, X-ray fluorescence spectroscopy (XRF) and optical coherence tomography (OCT). The three spectroscopic techniques complement each other in pigment identification. Multispectral imaging (near-infrared bands), OCT and micro-Raman complement each other in the visualisation and identification of the drawing material. OCT probes ...
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    5. High resolution Fourier domain Optical Coherence Tomography at 2 microns for painted objects

      High resolution Fourier domain Optical Coherence Tomography at 2 microns for painted objects
      Optical Coherence Tomography has been successfully applied to the non-invasive imaging of subsurface microstructure of a variety of materials from biological tissues to painted objects of art. One of the limitations of the technique is the low depth of penetration due to the strong scattering and absorption in the material. Previous studies found that for paint materials, the optimum window for large depth of penetration is around 2.2 microns ...
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    6. High resolution Fourier domain optical coherence tomography in the 2 um wavelength range using a broadband supercontinuum source

      High resolution Fourier domain optical coherence tomography in the 2 um wavelength range using a broadband supercontinuum source
      A 220 nm bandwidth supercontinuum source in the two-micron wavelength range has been developed for use in a Fourier domain optical coherence tomography (FDOCT) system. This long wavelength source serves to enhance probing depth in highly scattering material with low water content. We present results confirming improved penetration depth in high opacity paint samples while achieving the high axial resolution needed to resolve individual paint layers. This is the first ...
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    7. Ultra-high resolution Fourier domain optical coherence tomography for resolving thin layers in painted works of art

      Ultra-high resolution Fourier domain optical coherence tomography for resolving thin layers in painted works of art
      While OCT has been applied to the non-invasive examination of the stratigraphy of paint layers in recent years, it has been recognized that the resolutions of commercially available OCT cannot compete in depth resolution with conventional microscopic examination of cross-sections of paint samples. It is necessary to achieve resolutions better than 3 microns to resolve the thinnest layers of paint and varnish. In this paper, we demonstrate a Fourier domain ...
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    8. Optical coherence tomography for vulnerability assessment of sandstone

      Optical coherence tomography for vulnerability assessment of sandstone
      Sandstone is an important cultural heritage material, in both architectural and natural settings, such as neolithic rock art panels. The majority of deterioration effects in porous materials such as sandstone are influenced by the presence and movement of water through the material. The presence of water within the porous network of a material results in changes in the optical coherence tomography signal intensity that can be used to monitor the ...
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    9. Full-Time PhD Scholarship in Advanced Optical Imaging and Nanomaterial Nottingham Trent University, School of Science & Technology

      Full-Time PhD Scholarship in Advanced Optical Imaging and Nanomaterial Nottingham Trent University, School of Science & Technology
      Advanced non-invasive optical imaging techniques such as optical coherence tomography (OCT) and hyperspectral imaging have found increasing applications in a wide range of disciplines from biomedical science to archaeology. A variety of state-of-the-art OCT and spectral imaging instruments have been developed in our group for specific material imaging applications. This project will develop methods for non-invasive material identification, dynamic imaging of novel nanomaterial (as both functional and contrast agents) in ...
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  2. About Nottingham Trent University

    Nottingham Trent University

    Nottingham Trent University (NTU) is a university in Nottingham, England. Its origins date back to 1843. It was founded as Trent Polytechnic (later Nottingham Polytechnic) in 1970 before gaining university status in 1992. It is one of the largest universities in the United Kingdom, serving more than 24,000 students. In 2007, The Guardian wrote that NTU "is one of the top places in the country for graduate employment" and the University has significant international recognition of its work in Art and Design, Communication, Business, Cultural and Media Studies, Drama, Dance and Performing Arts, English Language and Literature, Other Studies and Professions Allied to Medicine, French and Law.