Laser-stimulated fluorescence in archaeology: non-destructive fluorescence imaging for museum and field settings. (August 2022)

• Record Type: Journal Article
• Authors: Pittman, Michael; Kaye, Thomas G.; Graham, Elizabeth; Thorold, David
• Is Part Of: Journal of archaeological science. Volume 44(2022)
• Publication Date: 2022-08
• Subjects: Laser-stimulated fluorescence -- Fluorescence imaging -- UAV -- Excavations -- Fieldwork -- Museum study; Archaeology -- Periodicals; Archaeology -- Research -- Periodicals; 930.1
• DOI: 10.1016/j.jasrep.2022.103475
• Languages: English
• ISSNs: 2352-409X

Abstract

Highlights: Laser-Stimulated Fluorescence (LSF) is a non-destructive laser imaging technique. Fluorescence of object's surface captured as qualitative chemical map. Applicable to excavations, diverse objects, identification, production & conservation. Potential for tangible benefits to wider archaeological community. Abstract: Laser-Stimulated Fluorescence (LSF) is a non-destructive imaging technique in which high- power lasers cause fluorescence on or just below the surface of an object, which is then imaged as a qualitative chemical map. The LSF technique has successfully revealed hidden soft tissues preserved in fossils, been applied to find fossils in the field and used to study cave formations. In this study, we detail a range of LSF applications in archaeology for the first time, using case studies from prehistory to English medieval times. Five applications are detailed: 1) Investigating active and completed excavations; 2) Analysing large-scale and hard-to-reach objects; 3) Aiding identification; 4) Understanding production processes; 5) Documenting and evaluating conservation interventions. These LSF applications promise to deliver tangible benefits to the wider archaeological community, underscoring the value of developing new technologies in the field of archaeology.