Experiment
Title
T-dependent optical constants of San Carlos Olivine and Burma Ortho-enstatite
DOI
10.26302/SSHADE/EXPERIMENT_SB_20200403_001
Data reference
Zeidler, Simon; Mutschke, Harald; Posch, Thomas (2013): T-dependent optical constants of San Carlos Olivine and Burma Ortho-enstatite. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20200403_001
Publications
Type(s)
laboratory measurement
Description
Optical constants are obtained by reflectance measurement with polarized light in a temperature range of 10 K to 928 K
Number of spectra
42
Variable type(s)
  • temperature
  • polarization
Instrument
BRUKER 113v – reflection Mid-IR
Sample holder
High-temperature cell (SPECAC, windows removed) for temperatures above 300 K, continuous-flow liquid helium cryostat (Cryovac) for temperatures below 300 K
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 6.67 - 25.0
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 (KRS5)
Polarization angle
0.0°
Comments
parallel to the optical axis of the crystal
Observation mode
single spot
Spatial resolution
5.0 $mm$
Comments
Due to a small sample size, measurements of Burma Ortho-enstatite were performed for EIIa and EIIb with a 4 mm aperture at temperature stages of 10 K, 100 K, 200 K and 300 K
Instrument
BRUKER 113v – reflection Far-IR
Sample holder
High-temperature cell (SPECAC, windows removed) for temperatures above 300 K, continuous-flow liquid helium cryostat (Cryovac) 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 - 60.0
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 $mm$
Comments
Due to a small sample size, measurements of Burma Ortho-enstatite were performed for EIIa and EIIb with a 4 mm aperture at temperature stages of 10 K, 100 K, 200 K and 300 K
Date begin
2013-01-01

Versions

Release date
2020-04-27 08:19:05 UTC+0000
Version (Date)
#1 (2020-04-03 08:09:27 UTC+0000, Updated: 2020-04-27 08:19:05 UTC+0000)