Spectrum

MIR Transmission spectrum of 1.645µm CH4 II film at 15 K

Title
MIR Transmission spectrum of 1.645µm CH4 II film at 15 K
Data reference
Trotta, Frederic; Schmitt, Bernard (1995): MIR Transmission spectrum of 1.645µm CH4 II film at 15 K. Version 1. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data.
Publications
Experiment type
laboratory measurement
Type
transmission
Instrument
Nicolet 800 – transmission Mid-IR
Sample holder
CsI window 2mm thick cooled by He cryostat in UHV chamber with 2 CsI 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
#1 490.0 - 6500.0 0.4821507048 0.92 0.05
Scan number
100
Observation geometry
direct
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
180.0°
Azimuth angle
0.0°
Phase angle
2.21237390821°
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 $mm$
Comments
spot located in center of window
Experiment
MIR Transmission spectra at 15 K of solid CH4-II films with increasing thickness (0.275-1.95µm)
Date begin
1995-04-25
Release date
2018-01-31 23:51:01 UTC+0000
Version (Date)
#1 (2017-11-17 17:16:56 UTC+0000)
History
Date Mode Version Status Comments
2017-11-17 17:16:56 UTC+0000 first import #1 valid version 2013-01-29: new CH4 II transmission spectrum 15K (mid-IR)
Analysis
no: raw calibrated transmission spectrum - slope due to thin film spectral interference fringe
Quality flag
4
Validator(s)