Experiment
Title
Near and Mid-IR optical constants of crystalline H2O ice Ih at 140-145K
DOI
10.26302/SSHADE/EXPERIMENT_BS_20200103_001
Data reference
Schmitt, Bernard (2004): Near and Mid-IR optical constants of crystalline H2O ice Ih at 140-145K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20200103_001
Publications
Comments
MIR optical constant data from Trotta 1996, NIR absorption coefficient data come from Grundy & Schmitt 1998, Visible and UV optical constant data from from Warren (1986)
Database(s)
Experimentalists
Type(s)
laboratory measurement
Description
Near and Mid-IR optical constants of crystalline H2O ice Ih at 140K (NIR) - 145K (MIR). The data are completed in the Visible and UV (> 10500 $cm^{-1}$, < 0.95 µm) with data at 270K from Warren (1986)
Variable(s)
temperature
Number of spectra
1
Instrument
Nicolet 800 – transmission Mid-IR
Sample holder
CsI window 2mm thick cooled by He cryostat in UHV chamber with 2 KBr windows 5mm thick
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
#1 650.0 - 4000.0 0.4821314 0.92 0.05
Observation geometry
direct
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
180.0°
Azimuth angle
0.0°
Phase angle
180.0°
Resolution illumination
15.0°
Resolution observation
20.0°
Illumination
Observation
Comments
possibly partly polarized beam by beamsplitter
Observation mode
single spot
Image size
8.0 x 8.0 $mm$
Instrument
Nicolet 800 – transmission Near-IR
Sample holder
cryogenic closed cell, with 2 saphire windows 2mm thick, cooled by He cryostat in UHV chamber with 2 KBr windows
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
NIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 4000.0 - 10500.0 0.4821314 0.92 0.05
Illumination
Observation
Comments
possibly partly polarized beam by beamsplitter
Observation mode
single spot
Image size
2.5 x 2.5 $mm$
Variable type(s)
  • temperature
Date begin
2004-08-04

Versions

Release date
2020-01-03 15:23:20 UTC+0000
Version (Date)
#1 (2020-01-03 14:54:23 UTC+0000, Updated: 2020-01-03 15:24:04 UTC+0000)
Sponsors
  • Programme National de Physique et Chimie du Milieu Interstellaire - INSU/CNRS (PCMI)
  • Centre National d'Etudes Spatiales (CNES) (OMEGA/Mars Express)