- Title
- Near-infrared BRDF spectra in the principal plane of Salammoniac and Mascagnite 32-80µm grain size powders at 300K
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20231304_001
- Data reference
- Fastelli, Maximiliano; Schmitt, Bernard; Beck, Pierre; Poch, Olivier; Comodi, Paola (2021): Near-infrared BRDF spectra in the principal plane of Salammoniac and Mascagnite 32-80µm grain size powders at 300K. SSHADE/CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20231304_001
- Publications
- Comments
- Europlanet-2024 TNA data
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Near-infrared BRDF spectra in the principal plane (i=0, 30, 60°; e= -70, -60, -40, -20, 0, 20, 40, 60, 70°) of Salammoniac and Mascagnite 32-80µm grain size powders at 300K
- Number of spectra
- 2
- Variable type(s)
-
- sample composition
- incidence angle
- emergence angle
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Cylindrical aluminum sample holder
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge #1 1000.0 - 1600.0 10.0 7.7 1.0 #2 1610.0 - 2830.0 10.0 15.5 1.5 #3 2840.0 - 3200.0 10.0 30.0 3.0 #4 3220.0 - 4180.0 20.0 30.0 3.0 - Comments
- A series of high pass filters is used to remove high orders of the gratings
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
- two variable angles
- Resolution illumination
- 5.8°
- Resolution observation
- 4.1°
- Comments
- 'Gognito' illumination attachment with focused beam.
Illumination
Observation
- Comments
- Partial polarization variable with wavelength (from the 3 monochromator gratings used)
- Observation mode
- single spot
- Spatial resolution
- 7.5 $mm$
- Comments
- spatial resolution at nadir illumination
- Date begin - end
- 2021-11-08 - 2021-11-15
Versions
- Release date
- 2023-05-25 08:58:10 UTC+0000
- Version (Date)
- #1 (2023-05-25 08:58:10 UTC+0000, Updated: 2023-05-25 08:58:10 UTC+0000)
- Sponsors
-
- European Commission - Horizon 2020-RI (EC-H2020) (EPN2024-RI: Europlanet 2020 Research Infrastructure, grant No 871149 (TA2/DPSF/CSS/20-EPN2-081))