- Title
- Near-IR bidirectional reflection spectra (i=0°, e=30°) of Volcanic tuff for 9 different grain sizes at 298K in ambient air
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20191230_011
- Data reference
- Pommerol, Antoine; Schmitt, Bernard (2007): Near-IR bidirectional reflection spectra (i=0°, e=30°) of Volcanic tuff for 9 different grain sizes at 298K in ambient air. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20191230_011
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Near-IR bidirectional reflection spectra (i=0°, e=30°) of Volcanic tuff for different grain sizes (<25, 25-50, 50-100, 100-200, 200-280, 280-400, 400-560, 560-800, 800-1120 µm) at 298K in ambient air
- Number of spectra
- 9
- Variable type(s)
-
- sample grain size
- Comments
- series of samples with varying range of grain sizes
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Aluminum plate with 3 mm deep circular hole (30 mm)
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 1.0 - 2.0 0.02 0.024 0.001 #2 2.0 - 4.18 0.02 0.048 0.002 - Filters
-
Type Center/Edge (${\mu}m$) Width (${\mu}m$) Place #1 long-pass filters of the spectro-gonio radiometer
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
- 0.1°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Image size
- 23.1 x 20.0 $mm$
- Comments
- elliptic observation spot
- Date begin - end
- 2007-01-01 - 2007-01-01
Versions
- Release date
- 2019-12-30 14:55:28 UTC+0000
- Version (Date)
- #1 (2019-12-30 14:55:28 UTC+0000, Updated: 2019-12-30 14:55:28 UTC+0000)
- Sponsors
-
- Programme National de Planétologie (PNP)
- Centre National d'Etudes Spatiales (CNES) (OMEGA/Mars Express)