Insights on the Side Panels of the Franciscan Triptych by Fra Angelico Using Terahertz Time-Domain Imaging (THz-TDI)

Corinna Ludovica Koch Dandolo, Marcello Picollo, Costanza Cucci, Marina Ginanni, Elena Prandi, Magnolia Scudieri, Peter Uhd Jepsen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The side panels of the Franciscan Triptych (St. Jerome, St. John the Baptist, and the Archangel Gabriel and St. Francis, St. Onofrio, and the Virgin Annunciate, by Fra Angelico, before 1429) were scanned by means of terahertz time-domain imaging (THz-TDI). THz analysis supplied information on the stratigraphy of the panel paintings and the associated construction, "gessoing" and gilding techniques. Furthermore, THz-TDI provided information regarding the location of restoration materials within the painting stratigraphy on St. Jerome, St. John the Baptist, and the Archangel Gabriel, as well as on the extension and nature of subsurface cracks in the panel painting of St. Francis, St. Onofrio, and the Virgin Annunciate.
    Original languageEnglish
    JournalJournal of Infrared, Millimeter and Terahertz Waves
    Volume38
    Issue number4
    Pages (from-to)413-424
    ISSN1866-6892
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Terahertz time-domain spectroscopy
    • Imaging
    • Panel paintings
    • Fra Angelico

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