LEDµSF

Portable Spectrofluorimeter
for non-invasive analysis of cultural heritage artworks using LED sources


Ancient paintings (murals, manusripts, polychromy, engravings, easel paintings) | Dyestuff | Binders

Features of LEDµSF

  • Portable and lightweight spectrofluorimeter

  • Contactless, non-invasive and non-destructive measurements

  • Modular design: exchangeable LEDs from 255 ... 623 nm according to the materials analyzed

  • Irradiation spot: ca. 1 mm

  • Adjustable power of LED

  • Remote triggering with the possibility to set integration time (adjustable from 3 μs … 600 s)

  • Database of reference spectra of pigments and binders

  • White LED for reflectance spectra

  • Camera and two red lasers for easy positioning and adjustment of the working distance (ca. 4 cm)

  • Recordable spectra from 190 ... 1100 nm with a resolution of 1.5 nm

  • Possibility to record background and white reference for the correction of reflectance measurements

Click here to download the LEDµSF brochure.

Fluorescence emission of five different red pigments
Ageing of cochineal

References

Mounier A., Belin C., Daniel F., 2011, Spectrofluorimetric study of the ageing of mixtions used in the gildings of mediaeval wall paintings, Environmental Science and Pollution Research (ESPR), Vol.18, Issue 5, 772-782.


Mounier A., Dayet L., Belin C., Daniel F., 2011, Etude de la fluorescence des liants employés dans les dorures sur peintures murales médiévales, Archéosciences – Revue d’archéométrie, 35, 19-28.


Mounier A., Le Bourdon G., Aupetit C., Belin C., Servant L., Lazare S., Lefrais Y. and Daniel F., 2014, Hyperspectral imaging, spectrofluorimetry, FORS and XRF for the non-invasive study of mediaeval miniatures materials. TechnArt 2013, Amsterdam ICOM, Analytical Spectroscopy in Art and Archaeology at the Rijksmuseum Amsterdam, 23-27 sept. 2013, Heritage Science, 2:24.


Mounier A., Lazare S., Le Bourdon G., Aupetit C., Servant L., Daniel F., 2016, LEDµSF: A new portable device for fragile artworks analyses. Applications on medieval pigments, Technart 2015, 27-30 avril 2015, Catane, MicroChemical Journal, 126C, 480-487. DOI 10.1016/j.microc.2016.01.008.


Mounier A., Daniel F., 2018, LEDµSF : un nouveau système pour l'étude de la fluorescence UV des matériaux. Le cas des peintures anciennes à l'épreuve d'un spectrofluorimètre portable, Editions des Archives Contemporaines dans la collection des Sciences Archéologiques (in review).


Mounier A., Le Bourdon G., Aupetit C., Lazare S., Perez-Arantegui J., Almazan D., Aramendia J., Prieto-Taboada N., Fdez-Ortiz de Vallejuelo S., Daniel F., 2018, Red and blue colours on 18th-19th century Japanese woodblock prints: In situ analyses by spectrofluorimetry and complementary noninvasive spectroscopic methods, MicroChemical Journal 140, pp129-141. DOI:10.1016/j.microc.2018.04.023.