FIR-MIR reflectance spectra of carbonaceous chondrites (polished sections) | DAYSY

Experiment

Title: FIR-MIR reflectance spectra of carbonaceous chondrites (polished sections)

DOI

10.26302/SSHADE/EXPERIMENT_ZED_20220901

Data reference

Brunetto, Rosario; Dionnet, Zélia (2020): FIR-MIR reflectance spectra of carbonaceous chondrites (polished sections). SSHADE/DAYSY (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_ZED_20220901

Publications

Hewins et al., 2021, Geochim. Cosmochim. Acta, 311, 238 - 273

Owner

Database(s)

DAYSY

Experimentalists

Spectra preview

Experiment type

Type(s): laboratory measurement
Description: Average FIR-MIR reflectance spectra (100-1200 cm-1) of 3 polished sections of carbonaceous chondrites: Bells, Essebi, NWA12563
Number of spectra: 3

Variable parameters

Variable type(s)

sample composition

Location

Laboratory: Spectroscopy and Microscopy in the Infrared using Synchrotron (SMIS)

Instrument #1

Instrument: SMIS Cary 670 - confocal reflection Mid-IR

Spectral parameters

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	840.0 - 1200.0		4.0

Angular parameters

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: specular
Observation mode: fixed angles
Incidence angle: 0.0°
Emergence angle: 0.0°
Azimuth angle: 180.0°
Phase angle: 0.0°
Resolution illumination: 10.0°
Resolution observation: 10.0°

Comments: Confocal illumination observation geometry

Spatial parameters

Observation mode: rastered
Spots number: 16384
Objective type: x15
Pixels separation: 5.5 x 5.5 ${\mu}m$
Pixels number: 128 x 128
Image size: 704.0 x 704.0 ${\mu}m$

Instrument #2

Instrument: SMIS NEXUS 6700 - confocal reflexion Far-IR