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Sökning: WFRF:(Grönlund Rasmus) > Engelska > Konferensbidrag > (2007)

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1.
  • Grönlund, Rasmus, et al. (författare)
  • Fluorescence lidar multispectral imaging for diagnosis of historical monuments - Övedskloster, a Swedish case study
  • 2007
  • Ingår i: Springer Proceedings in Physics. - 0930-8989. ; 116, s. 583-591
  • Konferensbidrag (refereegranskat)abstract
    • A fluorescence lidar measurement has been performed on the castle Övedskloster in Sweden. A mobile system from the Lund University was placed at ~40 m distance from the sandstone façade. The lidar system, which uses a frequency-tripled Nd:YAG laser with a 355-nm pulsed beam, induces fluorescence in each target point. Areas were studied by using whisk-broom scans. The possibility of detecting biodeteriogens on the surface and characterization of materials was confirmed. The method can be a tool for conservation planning and status control of the architectural heritage where fluorescence light can point out features that are not normally visible under natural illumination.
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2.
  • Grönlund, Rasmus, et al. (författare)
  • Laser-induced fluorescence imaging for studies of cultural heritage - art. no. 66180P
  • 2007
  • Ingår i: O3A: Optics for Arts, Architecture, and Archaeology. - : SPIE. - 1996-756X .- 0277-786X. - 9780819467607 ; 6618, s. 6180-6180
  • Konferensbidrag (refereegranskat)abstract
    • Laser-induced fluorescence for remote imaging of historical monuments is an established technique, which in this work has been used in measurement campaigns at the Coliseum and the Baptistery of San Giovanni in Laterano in Rome, Italy. The results presented here are examples that show that biodeteriogens can be monitored and that. materials can be identified. Also, cleaned and soiled areas on the stone can be localized and differences between soiling can be found, which may be useful in the sustainable conservation for mapping and evaluation.
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