Lasers in the Conservation of Artworks: Proceedings of the International Conference Lacona VII, Madrid, Spain, 17 - 21 September 2007

Table of Contents......Page 6
Preface......Page 12
Committees......Page 14
Sponsors......Page 16
Photonic restoration of marine artifacts and vessels of New Spain......Page 18
Innovative Approaches in Laser Cleaning and Analysis......Page 26
Towards the restoration of darkened red lead containing mural paintings: A preliminary study of the PbO2 to Pb3O4 reversion by laser irradiation......Page 28
Prospective and applications of two-photon fluorescence in archaeology and art conservation......Page 32
Fast spectral optical coherence tomography for monitoring of varnish ablation process......Page 40
Study of laccaic acid and other natural anthraquinone dyes by Surface-Enhanced Raman Scattering spectroscopy......Page 46
Potential of THz-Time Domain Spectroscopy in object inspection for restoration......Page 52
Femtosecond laser cleaning of paintings: Modifications of tempera paints by femtosecond laser irradiation......Page 58
Cleaning of paint with high repetition rate laser: Scanning the laser beam......Page 66
Removal of unwanted material from surfaces of artistic value by means of Nd:YAG laser in combination with Cold Atmospheric-Pressure Plasma......Page 72
Analytical Techniques......Page 76
Optical coherence tomography for structural imaging of artworks......Page 78
Atmospheric Pressure Laser Desorption Mass Spectrometry based methods for the study of traditional painting materials......Page 84
Study of chromophores of Islamic glasses from Al-Andalus (Murcia, Spain)......Page 90
Polychromed sculptures of Mercadante and Millán analysed by XRF non-destructive technique......Page 96
Litharge and massicot: Thermal decomposition synthetic route for basic lead(II) carbonate and Raman spectroscopy analysis......Page 106
Contamination identification on historical paper by means of the NIR spectroscopic technique......Page 112
Three dimensional survey of paint layer profile measurements......Page 118
Use of LA-ICP-MS technique with SEM-EDS analysis in the study of finishing layers......Page 126
Compositional depth profiles of gilded wood polychromes by means of LIBS......Page 132
Classification of archaeological ceramics by means of Laser Induced Breakdown Spectroscopy (LIBS) and Artificial Neural Networks......Page 138
Laser ablation- and LIBS-ranging by webcam and image processing during laser cleaning......Page 144
LIBS analysis of metal artefacts from Sucevita Monastery, Romania......Page 150
Comparative study of historic stained glass by LIBS and SEM/EDX......Page 158
Portable Laser Systems for Remote and On-Site Applications......Page 164
Scanning hyperspectral lidar fluorosensor for fresco diagnostics in laboratory and field campaigns......Page 166
A lidar experiment for the characterization of photoautotrophic and heterotrophic biodeteriogens by means of remote sensed autofluorescence spectra......Page 174
Design and development of a new high speed performance fluorescence imaging lidar for the diagnostics of indoor and outdoor cultural heritage......Page 180
Remote fluorescence lidar imaging of monuments: The Coliseum and the Lateran baptistery in Rome......Page 186
Portable spectroscopic analysis of nitrates affecting to cultural heritage materials......Page 194
A study of laser cleaning parameters using a portable system on a gargoyle of the Torres de Serranos in Valencia, Spain......Page 200
Laser Cleaning of Monuments and Sculptures......Page 206
Castle of Quart, Aosta Valley: Laser uncovering of medieval wall paintings......Page 208
Colour changes in Galician granitic stones induced by UV Nd:YAG laser irradiation......Page 216
Arch-collegiate church in Tum: Laser renovation of priceless architectural decorations......Page 220
Laser cleaning of the Nickerson Mansion: The first building in the US entirely cleaned using laser ablation......Page 226
Laser cleaning of a set of 18th century ivory statues of Twelve Apostles......Page 232
Laser Cleaning of Paintings and Polychromes......Page 236
Investigating the use of the Nd:YAG laser to clean ancient Egyptian polychrome artefacts......Page 238
Laser cleaning as a more culturally appropriate treatment option for Native American pictographs and pictograms......Page 244
The Arca Scaligera of Cansignorio della Scala by Bonino da Campione: Cleaning of the polychrome and gilded decorations......Page 248
Assessment of laser cleaning on a polychrome Islamic ceramic......Page 254
Laser cleaning of stucco's fragments from an early middle age bas-relief......Page 260
Soot removal from artificial fresco models by KrF excimer laser......Page 266
The interaction of laser radiation at 2.94μm with azurite and malachite pigments......Page 270
Conservation of medieval polychromed wooden sculpture of Madonna and Child......Page 276
Advanced laser renovation of old paintings, paper, parchment and metal objects......Page 280
Comparative study of laser varnish removal from historical paintings......Page 288
Laser Cleaning of Metal Objects......Page 292
Laser interactions with copper, copper alloys and their corrosion products used in outdoor sculpture in the United Kingdom......Page 294
Investigating the laser cleaning of archaeological copper alloys using different laser systems......Page 302
Investigating and optimising the laser cleaning of corroded iron......Page 308
Nd:YAG laser cleaning of heavily corroded archaeological iron objects and evaluation of its effects......Page 314
Laser as a cleaning tool for the treatment of large-scale bronze monuments......Page 320
Experimental study on the use of laser cleaning of silver plating layers in Roman coins......Page 326
Morphological and colorimetric changes induced by UV laser radiation on metal leaves......Page 334
Application of Ion Beam Analysis (IBA) techniques for the assessment of laser cleaning on gilded copper......Page 340
Laser cleaning: Influence of laser beam characteristics......Page 346
Laser Cleaning of Documents and Textiles......Page 352
Study of laser cleaning of ancient fabric with femtosecond pulses......Page 354
Monitoring of the laser cleaning process of artificially soiled paper......Page 362
Systematic case study on common cleaning problems on paper and parchment by using Nd:YAG laser (2w. 3w)......Page 370
Use of laser and optical diagnostic techniques on paper: The Pomelnic from Sucevita Monastery (Romania)......Page 374
Laser cleaning of 19th century papers and manuscripts assisted by digital image processing......Page 378
Laser reduction of stamps from paper to avoid migration to the recto side: Case study based on illustrations from Jan Heesters......Page 384
Laser cleaning and multi-method diagnostics of textile pieces of art......Page 388
Study of the effects of laser cleaning on historic fabrics: Review and results eight years after applications......Page 392
Structural Diagnosis and Monitoring......Page 396
Multifunctional encoding system for assessment of movable cultural heritage......Page 398
Digital preservation, documentation and analysis of heritage with active and passive sensors......Page 404
Monitoring of changes in the surface movement of model panel paintings following fluctuations in relative humidity: Preliminary results using Digital Holographic Speckle Pattern Interferometry......Page 410
Integrated digital speckle based techniques for artworks monitoring......Page 416
Laser-based structural diagnosis: A museum's point of view......Page 424
High-resolution 3D laser digitisation of the Maiano terracotta roundels for documentation and condition monitoring......Page 430
An SLDV/GPR/IR-T integrated approach for structural and frescoes investigation in the medieval monasteries of Moldavia......Page 436
Development of an impact assessment procedure for artwork using shearography as a measurement tool......Page 444
Imaging and Documentation......Page 450
Ultra high-resolution 3D laser color imaging of paintings: The Mona Lisa by Leonardo da Vinci......Page 452
Characterization and virtual reconstruction of polychromed alabaster sculptures......Page 458
ITR: A laser rangefinder for cultural heritage conservation applications with multi-sensor data integration capabilities......Page 464
Multispectral and multi-modal imaging data processing for the identification of painting materials......Page 470
Recovering colour and volume from relics in restoration tasks......Page 476
Multi IR reflectography......Page 482
Miscellaneous......Page 488
Imaging and mass spectrometry of microparticles generated during surface decontamination of an ancient parchment sample by laser radiation......Page 490
Laser for removing remains of carbonated matrices from Pleistocene fossils......Page 494
Environmental optical sol-gel sensors for preventive conservation of cultural heritage......Page 500
Author Index......Page 506