Transmitted light imaging in VIS and IR, in the study of paintings: a brief report on the behavior of the main historical pigments

  • Miquel Herrero-Cortell Departamento de Comunicación Audiovisual, Documentación e Historia del Arte. Universidad Politécnica de València (Spain)
  • Paola Artoni Laboratorio di analisi non invasive per l’arte antica, moderna e contemporanea (LANIAC). Università degli Studi di Verona (Italy)
  • Marta Raïch Centre d'Art d'Època Moderna (CAEM). Universitat de Lleida (Spain)
Keywords: Transmitted light, Transradiation, Infrared, Multiband, Pigments, Painting, Art diagnostics

Abstract

The aim of this paper is to evaluate the behavior of 50 historical pigments in the two spectrum ranges VIS and IR, by using transmitted light. For this study, pigments were bound with oil and were applied in several layers over underlying lines, drawn with different media. The purpose of this study was to evaluate the behavior of pigments in the two spectrum ranges, comparing visible and infrared photographs with the respective images taken with transmitted light. The main idea is to compare the optical properties of each pigment in visible (VIS), transmitted light (TL), infrared (IR) and infrared transmitted (IRT). This was achieved by assessing visible and infrared photographs in incident and in transmitted light. The ultimate goal is to understand aspects such as transparency and opacity as well as the ability to block light. Finally, the intention is to classify the pigments by their behavior noting their similarities and differences, considering the aforementioned factors. Since photographic techniques are very common in the study of painting, this study has been considered useful to classify patterns of behavior, which will allow greater systematization of these types of imaging.

Author Biographies

Miquel Herrero-Cortell, Departamento de Comunicación Audiovisual, Documentación e Historia del Arte. Universidad Politécnica de València (Spain)

Miquel Herrero-Cortell - He holds a PhD in Art History. He has a degree in Fine Arts from the Polytechnic University of Valencia (UPV) and a degree in Art History from the University of Valencia (UV). He holds a Master’s Degree in Conservation and Restoration of Cultural Heritage and a Master’s Degree in Artistic Production. He has developed his work as a researcher focusing on thefield of materials and painting techniques, as well as onpainting diagnosis. He is currently teaching at the Universitat Politécnica de València.

Paola Artoni, Laboratorio di analisi non invasive per l’arte antica, moderna e contemporanea (LANIAC). Università degli Studi di Verona (Italy)

Paola Artoni - She holds a PhD in Beni Culturali. From 1999 to 2009 she worked for Ministero per i Beni e le Attività Culturali in the Museum of the Ducal Palace in Mantua. Since 2010 she’s Functionary technical responsible of the Centre Laniac (Laboratorio di Analisi Non Invasive per l’Arte Antica, Moderna e Contemporanea), in Dipartimento di Culture e Civiltà, (University of Verona). She held courses for introducing non-invasive diagnostics applied to cultural heritage in the same university, from 2011 up to now.

Marta Raïch, Centre d'Art d'Època Moderna (CAEM). Universitat de Lleida (Spain)

Marta Raïch - She has a degree in Audiovisual Communication by the University of Lleida (Spain). She is a Technician in Image Production. She is specialized in scientific photography applied to works of art, as well as artistic diagnosis. She is currently developing her research and work as a technician at the Centre d’Art d’Època Moderna (CAEM) of the UdL where she carries out technical and scientific imaging, while she also develops design and layout tasks.

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Published
2020-07-01
How to Cite
Herrero-Cortell, M., Artoni, P. and Raïch, M. (2020) “Transmitted light imaging in VIS and IR, in the study of paintings: a brief report on the behavior of the main historical pigments”, Cultura e Scienza del Colore - Color Culture and Science, 12(02), pp. 79-88. doi: 10.23738/CCSJ.120210.
Section
Papers