Experiment
Title
$He^+$ irradiation of meterotic HED pellets probed by Vis-NIR spectroscopy
DOI
10.26302/SSHADE/EXPERIMENT_ZED_20260116_01
Data reference
Rubino, Stefano (2022): $He^+$ irradiation of meterotic HED pellets probed by Vis-NIR spectroscopy. SSHADE/DAYSY (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_ZED_20260116_01
Publications
Database(s)
Experimentalists
Type(s)
laboratory measurement
Description
Visible and Near-IR spectra of meteoritic pellets at different irradiation fluences of $He^+$ (40 keV).
Number of spectra
16
Variable type(s)
  • sample composition
  • irradiation dose
Comments
We irradiated pellets of different HED on the SIDONIE isotope separator at IJCLab (Orsay, France) using $He^+$ ions at 40 keV. Samples were mounted vertically and ion irradiation was performed at normal incidence. For each sample, we measured, besides the "virgin" spectrum, three separate spectra corresponding to different fluences: $1.10^{16}$, $3.10^{16}$ and $6.10^{16}$ $ions.cm^{-2}$.
Instrument
Maya2000 - microscopic reflection Visible-NIR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis
Valid spectral range(s)
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge
#1 0.35995 - 1.1 0.0005 1.0
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
15.0°
Emergence angle
15.0°
Azimuth angle
0.0°
Phase angle
20.0°
Observation mode
single spot
Comments
Collection spot size of 4 mm in diameter
Instrument
Bruker Tensor - reflection Near-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
NIR
Valid spectral range(s)
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge
#1 1.0 - 4.0 0.0005 1.0
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
20.0°
Emergence angle
15.0°
Azimuth angle
0.0°
Phase angle
15.0°
Observation mode
single spot
Comments
Collection spot size of 4 mm in diameter
Date begin
2022-01-01

Versions

Release date
2026-01-22 13:39:59+0000 UTC
Version (Date)
#1 (2026-01-22 13:39:59+0000 UTC, Updated: 2026-01-22 13:39:59+0000 UTC)