Experiment
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
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
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 14:50:01 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)