Absorption coefficient of San Carlos Olivine, polarization parallel to a-axis
- Title
- Absorption coefficient of San Carlos Olivine, polarization parallel to a-axis
- DOI
- 10.26302/SSHADE/EXPERIMENT_SB_20200511_001
- Data reference
- Zeidler, Simon; Posch, Thomas; Mutschke, Harald; Wehrhan, Ortrud (2011): Absorption coefficients in the VIS and NIR for oriented San Carlos Olivine and Sri Lanka Olivine crystals. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20200511_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- absorption coefficient
- Intensity unit
- $cm^{-1}$
- Instrument
- Lambda 19 – transmission vis
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 0.319 - 0.86 - Scan number
- 1
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- specular
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 0.0°
- Resolution illumination
- 6.0°
- Resolution observation
- 6.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- linear
- Type of polarizer
- dichroic sheet polarizer
- Polarization angle
- 0.0°
- Comments
- parallel to the crystallographic axes of the crystal
- Observation mode
- single spot
- Resolutions
- 5.0 $mm$
- Comments
- Due to a sample texture streaked by cracks, the measurement of the sample "Sri Lanka Olivine" was performed with a 1 mm aperture.
- Instrument
- Lambda 19 – transmission NIR
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 0.86 - 2.0 - Scan number
- 1
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- specular
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 0.0°
- Resolution illumination
- 6.0°
- Resolution observation
- 6.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- linear
- Type of polarizer
- dichroic sheet polarizer
- Polarization angle
- 0.0°
- Comments
- parallel to the crystallographic axes of the crystal
- Observation mode
- single spot
- Resolutions
- 5.0 $mm$
- Comments
- Due to a sample texture streaked by cracks, the measurement of the sample "Sri Lanka Olivine" was performed with a 1 mm aperture.
- Instrument
- BRUKER 113v – transmission 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 1.6 - 7.0 - Scan number
- 64
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- specular
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 0.0°
- 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
- Observation mode
- single spot
- Resolutions
- 5.0 $mm$
- Comments
- Due to a sample texture streaked by cracks, the measurement of the sample "Sri Lanka Olivine" was performed with a 1 mm aperture.
- Experiment
- Absorption coefficients in the VIS and NIR for oriented San Carlos Olivine and Sri Lanka Olivine crystals
- Date begin
- 2011-01-01
- Release date
- 2020-06-26 10:02:05 UTC+0000
- Version (Date)
- #2 (2020-06-26 10:02:05 UTC+0000, Updated: 2020-06-26 10:02:05 UTC+0000)
- History
-
Date Mode Version Status Comments 2020-05-11 20:50:51 UTC+0000 first import #1 obsolete version first version 2020-06-03 07:02:37 UTC+0000 new version #2 valid version second version
- Analysis
- The absorption coefficients were derived from the merged transmission spectra by using the Lambert-Beer law, taking simulated reflection losses (based on refractive indices from the literature) into account.
- Quality flag
- 4