MIR-FIR normalized Raman spectrum of Calcite polycrystal
- Title
- MIR-FIR normalized Raman spectrum of Calcite polycrystal
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20220803_001
- Data reference
- Schmitt, Bernard; Leclef, Apolline; Montagnac, Gilles (2021): Calcite: Vis-NIR and Mid-IR diffuse reflectance, MIR specular reflectance and Raman spectra of powders and blocks. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20220803_001
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- normalized Raman scattering intensity
- Intensity unit
- no unit
- Reference position
- 1085.4 cm−1
- Instrument
- Micro-Raman LabRam HR800 - 532 nm
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR, FIR
- Excitation wavelength
- 532 nm
- Valid spectral range(s)
-
Min - Max (cm−1) Sampling (cm−1) Resolution (cm−1) Position accuracy (cm−1) Absorption edge #1 115.0 - 1805.0 1.65 3.3 0.3 - Filters
-
Type Center/Edge (cm−1) Width (cm−1) Place #1 532.3 nm Edge filter 100.0 - Comments
- sampling varies from 1.83 @ 120 cm−1 to 1.50 cm−1 @ 1800 cm−1 (300 lines/mm ). Edge filter: 532.3 nm transition width 100 cm−1
- Observation geometry
- confocal
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 0.0°
- Observation mode
- single spot
- Objective type
- x50
- Resolutions
- 1.0 μm
- Comments
- spot of 1 µm in diameter
- Name
- Calcite polycrystal
- Comments
- Contain a small amount of Fe
- Experiment
- Calcite: Vis-NIR and Mid-IR diffuse reflectance, MIR specular reflectance and Raman spectra of powders and blocks
- Date begin
- 2021-06-11
- Release date
- 2024-06-09 15:59:28 UTC+0000
- Version (Date)
- #1 (2024-06-09 15:59:28 UTC+0000, Updated: 2024-07-10 17:41:11 UTC+0000)
- History
-
Date Mode Version Status Comments 2022-08-19 19:39:50 UTC+0000 first import #1 valid version
- Analysis
- raw Raman spectrum baseline corrected (low degree polynomial) to remove some background luminescence, and normalized to 1 at the main peak at 1085.4 cm−1 .
- Quality flag
- 4
- Validator(s)