IRUG - Supporting Cultural Heritage Scientific Research Since 1993
National Gallery of Art, Washington DC, US
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
National Taiwan Normal University, Research Center for Conservation of Cultural Relics
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
Victoria & Albert Museum, London, UK
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
Institute of Applied Physics "Nello Carrara", National Research Council, Sesto Fiorentino, IT
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
Sunflowers, Vincent van Gogh
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
Winterthur Museum, Garden & Library
IRUG - Supporting Cultural Heritage Scientific Research Since 1993
Philadelphia Museum of Art, US
Infrared & Raman Users Group
IRUG is a community that encourages the sharing of high quality comparative reference spectral data.
We develop IR and Raman reference spectra for the study of works of art, architecture, and archaeological materials. Our database is peer-reviewed through a rigorous process facilitated by this website.
Anyone may search the database to view and print spectra. To access digital spectra and related information, you must join IRUG and contribute spectra. Click the button below to begin registration.
Join IRUG
