Spectrum

MIR spectrum of an unirradiated area of the QUE97990 meteorite pellet

Title
MIR spectrum of an unirradiated area of the QUE97990 meteorite pellet
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Data
Unit:  Range: Valid spectral range(s): 800.0 - 1250.0 cm-1
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DOI
10.26302/SSHADE/EXPERIMENT_ZED_20240701_01
Data reference
Lantz, Cateline (2022): MIR spectra of carbonaceous chondrites irradiated by He+ ions. SSHADE/DAYSY (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_ZED_20240701_01
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Database
Experimentalists
Spectrum type
Experiment type
laboratory measurement
Type
normalized reflectance
Intensity unit
no unit
Reference position
956.51977 cm−1
Instrument #1
Instrument
SMIS Cary 670 - confocal reflection Mid-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR
Valid spectral range(s)
Min - Max (cm−1) Sampling (cm−1) Resolution (cm−1) Position accuracy (cm−1) Absorption edge
#1 800.0 - 1250.0 4.0 1.0
Observation geometry
specular
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
0.0°
Azimuth angle
180.0°
Phase angle
0.0°
Comments
numerical aperture of 0.62
Observation mode
averaged
Objective type
x15
Image size
13000.0 x 13000.0 μm
Comments
The resolution changes with the wavelength according to the Abbe's equation.
Name
QUE97990 pellet
Comments
Not irradiated area of the pellet
Experiment
MIR spectra of carbonaceous chondrites irradiated by He+ ions
Date begin
2015-03-23
Release date
2024-09-11 10:00:07+0000 UTC
Version (Date)
#1 (2024-09-11 10:00:07+0000 UTC, Updated: 2025-01-28 12:51:29+0000 UTC)
History
Date Mode Version Status Comments
2024-07-01 11:46:45+0000 UTC first import #1 valid version 2024-07-01: First import
Analysis
Reference spectra were collected on a gold surface. A baseline correction has been performed and then 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)