Spectrum

Mid and Near-IR spectrum of an irradiated area of the Allais meteorite pellet

Title
Mid and Near-IR spectrum of an irradiated area of the Allais meteorite pellet
DOI
10.26302/SSHADE/EXPERIMENT_CL_20181202_05
Data reference
Lantz, Cateline (2015): He+ irradiation of carbonaceous chondrite pellets probed by NIR-MIR spectroscopy. SSHADE/DAYSY (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_CL_20181202_05
Publications
Database
Experimentalists
Experiment type
laboratory measurement
Type
normalized reflectance
Intensity unit
no unit
Reference position
991.27 cm1
Instrument
SMIS iN10 - confocal reflexion Near and Mid-IR
Standard medium
air
Observation mode
spectrum
Spectral range type(s)
NIR, MIR
Valid spectral range(s)
Min - Max (cm1) Sampling (cm1) Resolution (cm1) Position accuracy (cm1) Absorption edge
#1 549.636 - 7999.62 4.0 1.0
Observation geometry
direct
Observation mode
N/A
Observation mode
averaged
Spots number
10
Objective type
x15
Pixels separation
200.0 x 200.0 μm
Pixels number
100 x 100
Image size
600.0 x 300.0 μm
Resolutions
3.0 ± 1.0 μm (3333.0 cm1)
Comments
The resolution changes with the wavelength according to the Abbe's equation.
Name
Pellet of Alais powder
Comments
Area of the pellet irradiated by He+ ions at 40 keV and a total fluence of 6.1016ions.cm2
Experiment
He+ irradiation of carbonaceous chondrite pellets probed by NIR-MIR spectroscopy
Date begin
2015-03-23
Release date
2022-06-07 15:00:31+0000 UTC
Version (Date)
#1 (2022-06-07 15:00:31+0000 UTC, Updated: 2022-07-08 08:05:21+0000 UTC)
History
Date Mode Version Status Comments
2018-12-02 20:16:40+0000 UTC first import #1 valid version 2018-12-02: First import
Analysis
The spectrum has been normalized by adjusting the height of the maximum of the Si-O band to 1 and the band minimum (Christensen feature) to 0.
Quality flag
4
Validator(s)