Experiment
Title
Optical constants in the MIR and FIR for oriented hibonite crystals parallel and perpendicular to the c-axis
DOI
10.26302/SSHADE/EXPERIMENT_SB_20200430_001
Data reference
Mutschke, Harald; Posch, Thomas; Fabian, Dirk; Dorschner, Johann (2002): Optical constants in the MIR and FIR for oriented hibonite crystals parallel and perpendicular to the c-axis. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20200430_001
Publications
Type(s)
laboratory measurement
Number of spectra
2
Variable type(s)
  • polarization
Comments
Sample "Evisa" was measured without polarizer, whereas sample "Antsirabé" was measured with polarizer.
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
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
The polarizer was only used for sample "Antsirabé" perpendicular to the c-axis of the hibonite crystal.
Observation mode
single spot
Spatial resolution
2.0 $mm$
Instrument
BRUKER 113v – reflection Far-IR
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
The polarizer was only used for sample "Antsirabé" perpendicular to the c-axis of the hibonite crystal.
Observation mode
single spot
Spatial resolution
2.0 $mm$
Date begin
2002-01-01

Versions

Release date
2020-05-28 14:06:15 UTC+0000
Version (Date)
#1 (2020-04-29 22:06:59 UTC+0000, Updated: 2020-05-28 14:06:15 UTC+0000)