Spectrum

MIR optical constants spectrum of amorphous H2S at 56K

Title
MIR optical constants spectrum of amorphous H2S at 56K
DOI
10.26302/SSHADE/EXPERIMENT_BS_20130125_002
Data reference
Trotta, Frederic; Schmitt, Bernard (1992): MIR optical constants of amorphous H2S at 56K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20130125_002
Publications
Experiment type
laboratory measurement
Type
optical constants
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 (cm1) Sampling (cm1) Resolution (cm1) Position accuracy (cm1) Absorption edge
#1 950.0 - 4000.0 3.8572058 0.96 0.4
Scan number
100
Comments
initial sampling frequency, 0.482cm-1, has been reduced by factor of 8
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
Resolutions
8.0 ± 1.0 mm
Experiment
MIR optical constants of amorphous H2S at 56K
Date begin
1992-09-30
Release date
2018-01-31 23:51:01+0000 UTC
Version (Date)
#1 (2018-01-31 23:51:01+0000 UTC, Updated: 2020-04-30 08:01:54+0000 UTC)
History
Date Mode Version Status Comments
2017-11-17 17:16:56+0000 UTC first import #1 valid version 2013-01-20: new amorphous H2S optical constants spectrum 15K (MIR)
Analysis
Iterative inversion of n and k with full optical model of the film+substrate + Kramers-Kronig analysis over 950-4000cm-1 range and n(15800cm1)= 1.58 (F. Trotta thesis 1996) - k is set to 0 and n is interpolated outside H2S bands to remove noise and OCS (2039cm1) and CO (2136cm1) bands
Quality flag
3
Validator(s)