MIR-FIR optical constants spectrum of NH3 amorphous at 15-35 K
- Title
- MIR-FIR optical constants spectrum of NH3 amorphous at 15-35 K
- Data reference
- Trotta, Frederic; Schmitt, Bernard (1996): MIR-FIR optical constants of NH3 amorphous at 15-35 K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data.
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- optical constants
- Instrument
- Nicolet 800 – transmission Mid-IR
- Sample holder
- CsI or PE-HD window 2mm thick cooled by He cryostat in UHV chamber
- 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 #1 400.0 - 6000.0 0.482131 1.0 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
- 2.21237390820801°
- Resolution illumination
- 15.0°
- Resolution observation
- 20.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- no
- Comments
- possibly partly polarized beam by beamsplitter
- Observation mode
- single spot
- Image size
- 8.0 x 8.0 $mm$
- Resolutions
- 8.0 ${\pm}$ 1.0 $mm$
- Instrument
- Nicolet 800 – transmission Far-IR
- Sample holder
- CsI or PE-HD window 2mm thick cooled by He cryostat in UHV chamber
- 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 63.0 - 670.0 0.964468864468864 2.0 0.1
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
- 2.21237390820801°
- Resolution illumination
- 15.0°
- Resolution observation
- 20.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- no
- Comments
- possibly partly polarized beam by beamsplitter
- Observation mode
- single spot
- Image size
- 8.0 x 8.0 $mm$
- Resolutions
- 8.0 ${\pm}$ 1.0 $mm$
- Name
- NH3 amorphous
- Experiment
- MIR-FIR optical constants of NH3 amorphous at 15-35 K
- Date begin
- 1996-01-01
- Release date
- 2018-01-31 23:51:01 UTC+0000
- Version (Date)
- #1 (2018-01-31 23:51:01 UTC+0000)
- History
-
Date Mode Version Status Comments 2017-11-17 17:16:56 UTC+0000 first import #1 valid version 2013-01-20: new amorphous NH3 optical constants spectrum 15-35K (MIR+FIR)
- Analysis
- Iterative inversion of n and k with full optical model of the film+substrate + Kramers-Kronig analysis over 50-6000 cm-1 range (using both MIR and FIR data) and n(15800cm-1)= 1.37 (F. Trotta thesis 1996)
- Quality flag
- 4
- Validator(s)