Experiment
Title
T-dependent optical constants of calcite and dolomite
DOI
10.26302/SSHADE/EXPERIMENT_SB_20210115_001
Data reference
Posch, Thomas; Mutschke, Harald; Henning, Thomas (2005): T-dependent optical constants of calcite and dolomite. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20210115_001
Publications
Type(s)
laboratory measurement
Description
Optical constants are obtained by reflectance measurements with polarized light in a temperature range of 10 K to 300 K
Number of spectra
16
Variable type(s)
  • sample composition
  • polarization
  • temperature
Instrument
BRUKER 113v – reflection Mid-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR
Valid spectral range(s)
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge
#1 2.0 - 25.0
Comments
The MIR reflection measurements were performed at room temperature only (without cryostat).
Observation geometry
specular
Observation mode
fixed angles
Incidence angle
12.0°
Emergence angle
12.0°
Resolution illumination
6.0°
Resolution observation
6.0°
Illumination
Type of polarization
no
Observation
Type of polarization
linear
Type of polarizer
wire-grid polarizer (KRS5)
Polarization angle
0.0°
Comments
parallel to the optical axis of the crystal
Observation mode
single spot
Spatial resolution
5.0 $mm$
Instrument
BRUKER 113v – reflection Far-IR
Sample holder
A continuous-flow liquid helium cryostat (Cryovac) was used for temperatures below 300 K.
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
FIR
Valid spectral range(s)
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge
#1 15.0 - 200.0
Observation geometry
specular
Observation mode
fixed angles
Incidence angle
12.0°
Emergence angle
12.0°
Resolution illumination
6.0°
Resolution observation
6.0°
Illumination
Type of polarization
no
Observation
Type of polarization
linear
Type of polarizer
wire-grid polarizer (PE)
Polarization angle
0.0°
Comments
parallel to the optical axis of the crystal
Observation mode
single spot
Spatial resolution
5.0 $mm$
Date begin - end
2005-02-22 - 2005-03-16

Versions

Release date
2021-02-10 12:23:23 UTC+0000
Version (Date)
#1 (2021-01-15 11:45:44 UTC+0000, Updated: 2021-02-10 12:23:23 UTC+0000)