Spectrum

VNIR reflectance spectrum of Natron 75-100µm grain size at T = 279 K (first)

Title
VNIR reflectance spectrum of Natron 75-100µm grain size at T = 279 K (first)
DOI
10.26302/SSHADE/EXPERIMENT_CC_20180725_01
Data reference
DeAngelis, Simone; Carli, Cristian; Tosi, Federico; Beck, Pierre; Brissaud, Olivier; Schmitt, Bernard; Potin, Sandra (2016): VNIR reflectance spectra of Natron 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_20180725_01
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Intensity unit
no unit
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 0.5 - 0.7 0.02 0.005 0.001
#2 0.7 - 1.6 0.02 0.01 0.001
#3 1.6 - 3.0 0.02 0.019 0.002
#4 3.0 - 3.98 0.02 0.039 0.004
Scan number
10
Comments
Measured over the 0.40-3.98 µm range
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
15.0°
Emergence angle
0.0°
Azimuth angle
90.0°
Phase angle
15.0°
Resolution illumination
0.1°
Resolution observation
4.1°
Observation mode
single spot
Resolutions
20.0 $mm$
Experiment
VNIR reflectance spectra of Natron with 3 different grain sizes and at variable temperature (93-279 K)
Date begin
2016-11-20
Release date
2019-12-19 19:01:56 UTC+0000
Version (Date)
#1 (2019-12-19 19:01:56 UTC+0000, Updated: 2019-12-19 19:01:56 UTC+0000)
History
Date Mode Version Status Comments
2018-07-24 15:56:41 UTC+0000 first import #1 valid version first import
Analysis
raw bidirectional reflectance spectrum calibrated: 1) in the 0.4-2.1µm range with "Spectralon 99%" standard (LabSphere (c)) measured under same geometry using its absolute BRDF and 2) in the 2.1-4.0µm range with "Infragold" (LabSphere (c)) using its relative spectral reflectance
Quality flag
4
Validator(s)