Table of Contents
Laser Chemistry
Volume 2006, Article ID 93658, 8 pages
Research Article

Optical Coherence Tomography for Tracking Canvas Deformation

1Institute of Physics, Nicolaus Copernicus University, Ul. Grudziadzka 5, Toruń 87-100, Poland
2Institute for the Study, Restoration and Conservation of Cultural Heritage, Nicolaus Copernicus University, Ul. Gagarina 9, Toruń 87-100, Poland

Received 16 September 2006; Revised 28 November 2006; Accepted 29 November 2006

Academic Editor: Costas Fotakis

Copyright © 2006 Piotr Targowski et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

This movie shows the reaction of the canvas surface to the periodical changes in relative humidity. The X-, Y-, and Z-coordinates of the marker shown in Figure 1 of the article are presented in the major panel: the green line connects two red dots: the initial and present positions of the marker. The current environmental conditions: the temperature (C) and relative humidity (RH) are shown as vertical bars at the left. Clock shows the current time starting at 7 am 1st day. Over nights, when steady conditions of low humidity were simulated, the frame rate is decreased and the clock speeds up, to make a movie shorter. From the movie, the direction and range of canvas deformations are clearly visible. Additionally, some rapid changes in marker position (the spike events) could be seen. The movie should be compared with Figures 4 and 5 of the paper, where the results of the same experiment are presented in a different way.

  1. The reaction of the canvas surface to the periodical changes in relative humidity