- Title
- Vis-NIR reflectance spectra of La Rousse pigments (PIG-0183-2017): powder, raw block, and polished slice
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20200217_100
- Data reference
- Schmitt, Bernard; Chalmin-Aljanabi, Emilie (2019): Vis-NIR reflectance spectra of La Rousse pigments (PIG-0183-2017): powder, raw block, and polished slice. SSHADE/PIG (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20200217_100
- Comments
- unpublished
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Vis-NIR reflectance spectra of La Rousse pigments (PIG-0183-2017) as a raw block, a powder (< 160 µm) and a polished slice (several spots)
- Number of spectra
- 8
- Variable type(s)
-
- sample composition
- sample texture
- Comments
- a raw block, a slice (3 compositions) and a powder
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge #1 394.0 - 666.0 4.0 1.9 0.25 #2 670.0 - 998.0 4.0 3.8 0.5 #3 1002.0 - 1426.0 4.0 3.8 1.0 #4 1430.0 - 2646.0 8.0 7.7 1.0 #5 2650.0 - 4210.0 16.0 15.5 2.0 - Filters
-
Type Center/Edge ($nm$) Width ($nm$) Place #1 several high frequency filters output of monochromator
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- bidirectional
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 30.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution illumination
- 5.8°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- some wavelength dependent polarization
- Observation mode
- single spot
- Spatial resolution
- 5.2 ${\pm}$ 0.1 $mm$
- Comments
- illumination with 8 fiber optic spots within a 5.2 mm diameter, observation within an ellipse of 23x20 mm
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- cylindrical raw aluminium sample holders of different sizes and depths
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge #1 402.0 - 598.0 4.0 0.96 0.25 #2 600.0 - 1428.0 4.0 3.8 0.5 #3 1440.0 - 3198.0 4.0 7.6 1.0 #4 3200.0 - 4210.0 8.0 15.5 2.0 - Filters
-
Type Center/Edge ($nm$) Width ($nm$) Place #1 several high frequency filters output of monochromator
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- bidirectional
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 30.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution illumination
- 5.8°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- some wavelength dependent polarization
- Observation mode
- single spot
- Spatial resolution
- 7.5 ${\pm}$ 0.2 $mm$
- Comments
- illumination with 9 fiber optic spots within 7.5 mm diameter, observation within an ellipse of 23x20 mm
- Date begin - end
- 2019-12-13 - 2020-02-14
Versions
- Release date
- 2020-08-28 04:47:54 UTC+0000
- Version (Date)
- #1 (2020-08-28 04:47:54 UTC+0000, Updated: 2020-08-28 04:47:54 UTC+0000)
- Sponsors
-
- Université de Savoie-Mont-Blanc (USMB) (MASCARA 2 et TRAnSFeRT)
- Service Régional de l’Archéologie de la région Auvergne Rhône Alpes (SRA)