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Monday, May 16 • 11:30am - 11:45am
(Research and Technical Studies) Visible-Induced Luminescence Imaging: Past, Current and Future Applications in Conservation Research

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Multispectral imaging (MSI) has seen a rapid development within the field of conservation, thanks in part to its adaptation with digital imaging techniques. One recent advance in MSI is the use of visible-induced infrared luminescence (VIL) to map pigments that might otherwise be invisible to the naked eye. This technique, first published by Giovanni Verri (2009), involves the excitation of pigments on object surfaces with visible light, and the photographic capture of the resulting emission of infrared radiation. Specific pigments, including Egyptian blue, Han blue, Han purple, cadmium red and cadmium yellow, emit infrared radiation when excited in the visible range, creating visible-induced luminescence. The ways in which this phenomenon can be captured in an image involve a wide range of photographic equipment and associated techniques, which will be the focus of this paper. The authors will discuss their own experiences at the Metropolitan Museum of Art and the J. Paul Getty Museum Villa, where this technique has been used on a wide range of projects, including both in-lab and in-gallery imaging campaigns. Conservators have also tested the technique on archaeological excavations and have found that with the right equipment (battery-powered, durable) and the ability to limit ambient light, VIL can be successfully carried out in less controlled environments. This paper will provide a review of previous and current methodology, including a discussion of image capture and processing trade-offs, and also highlight areas for future development and experimentation.

Speakers
avatar for Dawn Kriss

Dawn Kriss

Project Conservator, Brooklyn Museum
Dawn Kriss has been working as a project objects conservator at the Brooklyn Museum since 2014. Prior to that, Dawn completed a fellowship at the Metropolitan Museum of Art's Sherman Fairchild Center for Objects Conservation, where she conducted a research and technical study of Peruvian Paracas ceramics in the Metropolitan Museum of Art and American Museum of Natural History collections. Dawn has a background in Andean archaeology, and has... Read More →
avatar for Caroline Roberts

Caroline Roberts

Conservator, Kelsey Museum of Archaeology
Caroline Roberts is an objects conservator and a graduate of the Winterthur / University of Delaware Program in Art Conservation. As a graduate fellow, Carrie held internships at the Phoebe Hearst Museum of Anthropology, the UK preservation organization English Heritage, and the Worcester Art Museum. After graduating in 2011, Carrie pursued post-graduate fellowships at the Kelsey Museum of Archaeology at the University of Michigan, the J. Paul... Read More →
avatar for Anna Serotta

Anna Serotta

Project Objects Conservator, Brooklyn Museum
Anna Serotta graduated from the Conservation Center, Institute of Fine Arts, New York University, in 2009, where she majored in objects conservation with a focus on archaeological materials. After graduating, Anna completed a fellowship in the Sherman Fairchild Center for Objects Conservation at the Metropolitan Museum of Art, and was then a Contract Objects Conservator and Assistant Objects Conservator in that same department, working... Read More →

Co-Author(s)
MS

Marie Svoboda

Associate Conservator, Antiquities Conservation, J. Paul Getty Museum
Marie Svoboda received her MA in objects conservation from the State University of New York, College at Buffalo in 1994. Her postgraduate experience was mainly with archaeological material focusing on ancient Egyptian artifacts during her 7 years at the Museum of Fine Arts, Boston. Marie joined the Antiquities Conservation Department at the J. Paul Getty Museum as an associate conservator in 2003 working with the Ancient Greek and Roman... Read More →


Monday May 16, 2016 11:30am - 11:45am
Room 511 B/E


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