Spectrum

Vis-NIR reflectance spectrum (i = 0°, e = 30°) of powdered maghemite

Title
Vis-NIR reflectance spectrum (i = 0°, e = 30°) of powdered maghemite
DOI
10.26302/SSHADE/EXPERIMENT_OP_20250122_001
Data reference
Valantinas, Adomas; Ottersberg, Rafael; Pommerol, Antoine (2023): Vis-NIR reflectance spectra of several powdered iron oxides. SSHADE/BYPASS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20250122_001
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Intensity unit
no unit
Instrument
MoHIS - Hyperspectral imaging system Vis-NIR
Sample holder
aluminum sample holder
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max (nm) Sampling (nm) Resolution (nm) Position accuracy (nm) Absorption edge
#1 395.0 - 1920.0 5.0 6.5
#2 1680.84 - 2166.9 6.5
Observation geometry
biconical
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
5.0°
Observation mode
roi averaged
Experiment
Vis-NIR reflectance spectra of several powdered iron oxides
Date begin
2023-03-01
Release date
2025-01-22 18:39:30+0000 UTC
Version (Date)
#1 (2025-01-22 18:39:30+0000 UTC, Updated: 2025-01-22 18:39:30+0000 UTC)
History
Date Mode Version Status Comments
2025-01-22 18:34:22+0000 UTC first import #1 valid version
Analysis
Relative calibration to reflectance factor: division of the raw spectrum by the spectrum of a Spectralon plate recorded in the same conditions at a different time. The spectrum is obtained by averaging all pixels within the outlined Regions Of Interest.
Quality flag
3