- 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
- Associated band lists
- 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)
- Number of spectra
- 1
- Variable type(s)
-
- temperature
- 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
Definition: incidence and emergence angles are positive with origin at nadir. Emergence angle in transmission is larger than 90° (=180°-i).
- 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 $mm$
- Date begin
- 2004-08-04
Versions
- Release date
- 2020-01-03 15:23:20 UTC+0000
- Version (Date)
- #1 (2020-01-03 15:23:20 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)