Wall Painting Investigation by Means of Non-invasive Terahertz Time-Domain Imaging (THz-TDI): Inspection of Subsurface Structures Buried in Historical Plasters

Corinna Ludovica Koch Dandolo, Peter Uhd Jepsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Characterization of subsurface features of wall paintings is important in conservation and technical art history as well as in building archaeology and architecture fields. In this study, an area of the apsidal wall painting of Nebbelunde Church (Rødby, Denmark) has been investigated by means of terahertz time-domain imaging (THz-TDI). Subsurface structures have been detected at different depths inside the lime-based plaster of the wall painting until approximately 1 cm from the surface. The surface morphology of the buried structures has been 3D imaged in detail, providing a substantial contribution in their characterization.
Original languageEnglish
JournalJournal of Infrared, Millimeter and Terahertz Waves
Volume37
Issue number2
Pages (from-to)198-208
Number of pages13
ISSN1866-6892
DOIs
Publication statusPublished - 2016

Keywords

  • Instrumentation
  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Radiation
  • Cultural heritage
  • Imaging
  • Paintings
  • Terahertz
  • Wall paintings
  • Historic preservation
  • Imaging techniques
  • Painting
  • Buried structure
  • Cultural heritages
  • In-buildings
  • Subsurface features
  • Subsurface structures
  • Tera Hertz
  • Time-domain imaging
  • Walls (structural partitions)

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