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Non-invasive quantitative characterization of varnish thickness on gilt leather by line-field confocal optical coherence tomography

  • Institut Polytechnique de Paris
  • Centre de Recherche sur la Conservation (CRC)
  • CNRS/Museum National d'Histoire Naturelle/IRD/UPMC
  • Université Paris-Saclay

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Line-field confocal optical coherence tomography (LC-OCT) is an alternative to conventional OCT that combines OCT and confocal microscopy. This technique gives access to three-dimensional (3D) images with a micrometer resolution in the three spatial directions and enhances signal from the deepest layers within the material. After an experimental determination of the device characteristics, the technique is used for the investigation of16th to 18th century fragments of gilt leathers wall-hangings. In these objects, the various layers within the varnish can be identified and the effect of a restoration treatment can be observed to validate the varnish removal process.

Original languageEnglish
Title of host publicationOptics for Arts, Architecture, and Archaeology (O3A) IX
EditorsHaida Liang, Roger Groves
PublisherSPIE
ISBN (Electronic)9781510664494
DOIs
Publication statusPublished - 1 Jan 2023
EventOptics for Arts, Architecture, and Archaeology (O3A) IX 2023 - Munich, Germany
Duration: 26 Jun 2023 → 27 Jun 2023

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12620
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptics for Arts, Architecture, and Archaeology (O3A) IX 2023
Country/TerritoryGermany
CityMunich
Period26/06/23 → 27/06/23

Keywords

  • OCT
  • gilt leather
  • heritage sciences
  • stratigraphy

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