Spectrum

VNIR reflectance of Thenardite 125-150 µm grain size at T = 160 K

Title
VNIR reflectance of Thenardite 125-150 µm grain size at T = 160 K
DOI
10.26302/SSHADE/EXPERIMENT_CC_20180427_001
Data reference
DeAngelis, Simone; Carli, Cristian; Tosi, Federico; Beck, Pierre; Brissaud, Olivier; Schmitt, Bernard; Potin, Sandra (2018): VNIR reflectance spectra of Thenardite with 3 different grain sizes and at variable temperature (93-279 K). SSHADE/REFL_SLAB+CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_CC_20180427_001
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Instrument
SHINE Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
Aluminum plate with 3 mm deep circular hole (48 mm diameter) inside P-T controled copper cell closed by sapphire windows and cooled by helium cryocooler (CarboN-IR environmental cell)
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge
#1 0.8 - 1.6 0.02 0.01 0.001
#2 1.6 - 3.0 0.02 0.019 0.002
#3 3.0 - 5.0 0.02 0.039 0.004
Comments
Measured over the 0.80-4.18 µm range
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
20.0°
Emergence angle
0.0°
Azimuth angle
0.0°
Phase angle
20.0°
Resolution illumination
2.0°
Resolution observation
2.0°
Observation mode
single spot
Resolutions
20.0 $mm$
Experiment
VNIR reflectance spectra of Thenardite with 3 different grain sizes and at variable temperature (93-279 K)
Date begin
2018-04-30
Release date
2022-06-06 12:39:41 UTC+0000
Version (Date)
#1 (2022-06-06 12:39:41 UTC+0000, Updated: 2022-06-06 12:39:41 UTC+0000)
History
Date Mode Version Status Comments
2022-06-06 12:32:29 UTC+0000 first import #1 valid version
Analysis
raw bidirectional reflectance spectrum calibrated: 1) in the 0.8-2.1µm range with "Spectralon 99%" standard (LabSphere (c)) measured under same geometry using its absolute BRDF and 2) in the 2.1-4.2µm range with "Infragold" (LabSphere (c)) using its relative spectral reflectance
Quality flag
4
Validator(s)