- Title
- Far-IR optical constants of amorphous H2O Ia at different temperatures and annealing
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20130120_003
- Data reference
- Schmitt, Bernard; Trotta, Frederic (1991): Far-IR optical constants of amorphous H2O Ia at different temperatures and annealing. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20130120_003
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Far-IR optical constants spectra of amorphous H2O Ia at different temperatures (63, 87.5K) and annealing temperatures
- Number of spectra
- 2
- Variable type(s)
-
- temperature
- Comments
- series of spectra measured during deposition at 33.2K, annealing at 100K, cooling to 33.5K, annealing up to crystallization
- Instrument
- Nicolet 800 – transmission Far-IR
- Sample holder
- PE-HD window 2mm thick cooled by He cryostat in UHV chamber with 2 PE-HD windows 5mm thick
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- FIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 90.0 - 630.0 0.964469 1.84 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 $mm$
- Date begin
- 1991-05-28
Versions
- Release date
- 2018-01-31 23:51:01 UTC+0000
- Version (Date)
- #1 (2018-01-31 23:51:01 UTC+0000, Updated: 2020-01-03 08:45:20 UTC+0000)
- Sponsors
-
- Programme National de Physique et Chimie du Milieu Interstellaire - INSU/CNRS (PCMI)