UV-Vis Fluorescence data of the Scream (1910?)
Description
UV-Vis fluorescence data of the Scream (1910?, tempera and oil on cardboard) from MOLAB campaign in 2017, performed at Munch museum.
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Additional details
- Research focus Title
- Scream (1910?)
- Research focus Category
- Object/artwork
- Research focus Description
UV-Vis fluorescence data of this version of the Scream have been acquired during a MOLAB campaign, as access granted by IPERION CH facilities, for the project: TECH_SCREAM_TECH – TECHnical Study of CoRE Art Materials & TECHniques of SCREAM versions (research group from Munch museum, led by Irina Sandu).
- Research Activity Type
- Object Examination/Scientific analysis
- Technique
- Other
- Technique Category
- Point analysis
- Method Description
In situ reflectance and fluorescence UV-VIS-NIR spectroscopy in the last several years has become acknowledged as an effective non invasive technique for the identification of several organic and inorganic materials used in artworks production (such as paintings, manuscripts, textiles etc). To this end, fluorescence measurements are particularly indicated for the characterization of ancient colorants as well as luminescent pigments such as zinc oxide, cadmium based pigments and also Egyptian blue. Moreover, fluorophores with similar emission spectra can be distinguished by measuring fluorescence decay lifetimes.
- Tool / Equipment (or Software) Description
The portable instrumental prototype is composed of a compact Deuterium-Halogen lamp suitable for reflectance measurements; lasers and diode laser sources for steady-state fluorescence measurements; pulsed diode lasers and LEDs for time-resolved fluorescence experiments in the ns-ms lifetime range.
They are coupled with high sensitive CCD spectrometers working in the UV-VIS-NIR which allow reflectance spectra between 200-1600 nm and fluorescence spectra in the 300-1600 nm range to be collected. Lifetimes can be measured for species emitting in the 350-850 nm spectral range.
A dedicated fibre optic system allow measurements on any surface to be done. The size of the whole probe is less than 2 mm2.
- Tool / Equipment (or Software) reference
- http://www.iperionch.eu/project/uv-vis-fluorescence/
- ROI or target area or spot size
- 2 mm^2
- Object Examination Scale
- Other
- Examination Class or Type
- Single
- Specific Scope linked to the Project
- to identify pigments and organic materials presenting fluorescence
- Material Category
- pigments and organic colorants