Experiment
Title
Optical constants in the MIR and FIR for oriented natural anatase and brookite crystals
DOI
10.26302/SSHADE/EXPERIMENT_SB_20200629_001
Data reference
Posch, Thomas; Kerschbaum, Franz; Fabian, Dirk; Mutschke, Harald; Dorschner, Johann; Tamanai, Akemi; Henning, Thomas (2003): Optical constants in the MIR and FIR for oriented natural anatase and brookite crystals. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20200629_001
Publications
Type(s)
laboratory measurement
Number of spectra
5
Variable type(s)
  • polarization
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
parallel to the crystallographic axes of the crystal, accuracy $\pm$5 degree
Observation mode
single spot
Spatial resolution
4.0 $mm$
Comments
Due to a variable sample size, measurements of brookite were performed for E II a and E II c with a 4 mm aperture, for E II b a 2 mm aperture was chosen. The Anatase sample was measured for both orientations with a 2.5 mm aperture.
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
parallel to the crystallographic axes of the crystal, accuracy $\pm$5 degree
Observation mode
single spot
Spatial resolution
4.0 $mm$
Comments
Due to a variable sample size, measurements of brookite were performed for E II a and E II c with a 4 mm aperture, for E II b a 2 mm aperture was chosen. The Anatase sample was measured for both orientations with a 2.5 mm aperture.
Date begin
2003-01-01

Versions

Release date
2020-07-14 08:41:38 UTC+0000
Version (Date)
#1 (2020-07-01 07:33:02 UTC+0000, Updated: 2020-07-14 08:41:38 UTC+0000)