He^+ irradiation of carbonaceous chondrite pellets probed by NIR-MIR spectroscopy | DAYSY

Experiment

Title: $He^+$ irradiation of carbonaceous chondrite pellets probed by NIR-MIR spectroscopy

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(s)

DAYSY

Experimentalists

Type(s): laboratory measurement
Description: Near and Mid-IR spectra of carbonaceous chondrite pellets: unirradiated area and area irradiated by $He^+$ ions at 40 keV and a total fluence of $6.10^{16} ions.cm{-2}$ .
Number of spectra: 12
Comments: Reference spectra were collected on a gold surface.

Variable type(s)

Comments

We irradiated pellets of different carbonaceous chondrites on the SIDONIE isotope separator at IJCLab (Orsay, France) using

$He^+$ ions at 40 keV and a total fluence of

$6.10^{16}$

$ions.cm^{-2}$ . For each samples, two areas were measured in the NIR-MIR range: a virgin (=non irradiated) area, and an irradiated one.

Standard medium

air

Observation mode

spectrum

Spectral range type(s)

NIR, MIR

Valid spectral range(s)

	Min - Max ( $cm^{-1}$ )	Sampling ( $cm^{-1}$ )	Resolution ( $cm^{-1}$ )	Position accuracy ( $cm^{-1}$ )	Absorption edge
#1	549.636 - 7999.62		4.0	1.0

Definition: incidence and emergence angles are positive with origin at nadir. Emergence angle in transmission is larger than 90° (=180°-i).

Observation mode: averaged
Spots number: 10
Objective type: x15
Pixels separation: 200.0 x 200.0 ${\mu}m$
Pixels number: 100 x 100
Image size: 600.0 x 300.0 ${\mu}m$
Spatial resolution: 3.0 ${\pm}$ 1.0 ${\mu}m$ (3333.0 $cm^{-1}$ )
Comments: The resolution changes with the wavelength according to the Abbe's equation.

Release date: 2022-06-07 15:00:31 UTC+0000
Version (Date): #1 (2022-06-07 15:00:31 UTC+0000, Updated: 2022-07-08 08:05:21 UTC+0000)