VNIR reflectance of Magnesium chloride hexahydrate 250-500 µm grain size at T = 140 K
- Title
- VNIR reflectance of Magnesium chloride hexahydrate 250-500 µm grain size at T = 140 K
- DOI
- 10.26302/SSHADE/EXPERIMENT_CC_20190501_02
- Data reference
- DeAngelis, Simone; Carli, Cristian; Tosi, Federico; Beck, Pierre; Brissaud, Olivier; Schmitt, Bernard; Potin, Sandra (2019): VNIR reflectance spectra of Magnesium chloride hexahydrate with 3 different grain sizes and at variable temperature (80-295 K). SSHADE/REFL_SLAB+CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_CC_20190501_02
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Aluminum plate with 5 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 - 0.68 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 - 4.7 0.02 0.039 0.004 - Comments
- Measured over the 0.50-4.70 µm range
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
- 30.0°
- Emergence angle
- 0.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution illumination
- 5.8°
- Resolution observation
- 4.1°
- Comments
- resolution function is a door shape
- Observation mode
- single spot
- Resolutions
- 7.5 $mm$
- Experiment
- VNIR reflectance spectra of Magnesium chloride hexahydrate with 3 different grain sizes and at variable temperature (80-295 K)
- Date begin
- 2019-05-07
- Release date
- 2021-10-27 11:29:38 UTC+0000
- Version (Date)
- #1 (2021-10-27 11:29:38 UTC+0000, Updated: 2021-10-27 11:29:38 UTC+0000)
- History
-
Date Mode Version Status Comments 2021-10-27 11:26:28 UTC+0000 first import #1 valid version
- Analysis
- raw bidirectional reflectance spectrum calibrated: 1) in the 0.5-2.1µm range with "Spectralon 99%" standard (LabSphere (c)) measured under same geometry using its absolute BRDF and 2) in the 2.1-4.7µm range with "Infragold" (LabSphere (c)) using its relative spectral reflectance
- Quality flag
- 4
- Validator(s)