Spectrum

Optical constants of Troilite crystal perp. to c axis from VUV to 2mm

Title
Optical constants of Troilite crystal perp. to c axis from VUV to 2mm
DOI
10.26302/SSHADE/EXPERIMENT_HM_20240726_001
Data reference
Kranhold, Christian; Mutschke, Harald (2022): Optical constants of troilite and pyrrhotite from VUV to 2 mm wavelength. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_HM_20240726_001
Experiment type
laboratory measurement
Type
optical constants
Instrument
LZH VUV – reflection
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
VUV
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 0.125 - 0.23 0.001
Scan number
1
Observation geometry
specular
Observation mode
fixed angles
Incidence angle
15.0°
Emergence angle
15.0°
Resolution illumination
1.0°
Resolution observation
1.0°
Illumination
Type of polarization
no
Observation
Type of polarization
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
Lambda 19 – reflection UV
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
UV
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 0.19 - 0.319 0.001
Scan number
1
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
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
Lambda 19 – reflection vis
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 0.319 - 0.86 0.001
Scan number
1
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
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
Lambda 19 – reflection NIR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
NIR
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 0.86 - 3.2
Scan number
1
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
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
BRUKER 113v – reflection Mid-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 2.0 - 25.0
Scan number
64
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
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
BRUKER 113v – reflection Far-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
FIR
Valid spectral range(s)
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge
#1 15.0 - 500.0
Scan number
64
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
no
Observation mode
single spot
Resolutions
5.0 mm
Instrument
TeraFlash – THz reflection
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
sub-mm
Valid spectral range(s)
Min - Max (GHz) Sampling (GHz) Resolution (GHz) Position accuracy (GHz) Absorption edge
#1 150.0 - 3000.0 2.5
Scan number
1000
Observation geometry
specular
Observation mode
fixed angles
Incidence angle
15.0°
Emergence angle
15.0°
Resolution illumination
6.0°
Resolution observation
6.0°
Illumination
Type of polarization
linear
Observation
Type of polarization
linear
Comments
linear polarized radiation emitted by source antenna and detected by detector antenna
Observation mode
single spot
Resolutions
5.0 mm
Experiment
Optical constants of troilite and pyrrhotite from VUV to 2 mm wavelength
Date begin
2022-01-01
Release date
2024-08-29 14:36:25+0000 UTC
Version (Date)
#1 (2024-08-29 14:36:25+0000 UTC, Updated: 2024-08-30 09:51:48+0000 UTC)
History
Date Mode Version Status Comments
2024-07-26 12:55:26+0000 UTC first import #1 valid version first version
Analysis
From the combined reflectance spectrum, the optical constants were determined by Lorentzian oscillator fit (12 oscillators plus Drude term).
Quality flag
4