Experiment
Title
NIR bidirectional reflection spectra (i=0°/e=30°) of Smectite SWy-2 with different amount of adsorbed H2O at -30°C
Type(s)
laboratory
Variable(s)
pressure
Instrument
SHINE Spectro-Gonio Radiometer
Sample holder
Aluminum plate with 1 mm deep circular hole (3cm) inside P-T controled chamber closed by saphire window and cooled by Peltier elements (SERAC environmental chamber)
Standard medium
vacuum
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 1.2 - 2.0 0.02 0.024 0.01
#2 2.0 - 4.18 0.02 0.048 0.001
Filters
Type Center/Edge (${\mu}m$) Width (${\mu}m$) Place
#1 long-pass filters of the spectro-gonio radiometer None None None
Incidence angle(s)
0.0°
Emergence angle(s)
30.0°
Azimuth angle(s)
0.0°
Resolution illumination
0.1°
Resolution observation
4.1°
Comments
fixed angle
Illumination
Observation
Comments
partial polarization variable with wavelength (from monochromator grating)
Observation mode
single spot
Image size
23.1 x 20.0 $mm$
Spatial resolution
21.5 ${\pm}$ 1.5 $mm$
Comments
elliptic observation spot
Date begin - end
2007-01-01 - 2007-01-01