instruments:ramanlidar
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Table of Contents
Raymetrics Raman Lidar
Mentor: N.N.
Principle
The Raymetrics raman lidar provides continuous (24/7), unattended day and night temperature, water vapor, backscatter coefficient and extinction profiling within the atmospheric boundary layer, through the entrainment zone and into the free troposphere, at a fixed location.
The system can measure the following parameters:
- Atmospheric temperature profile
- Water vapor mixing ratio profile
- Aerosol extinction, backscatter
- Depolarization coefficient profiles
Instrument
Data
- If you are interested in receiving data please contact the instrument mentor: // N.N.//
- Add link to data browser
History
| Period | Place | Project |
|---|---|---|
| … | … | … |
Specifications
| Parameter | Unit | Value |
|---|---|---|
| Emission wavelength | nm | 355 |
| Rotational Raman Channels for Temperature detection | nm | 355 |
| Telescope diameter (monoaxial design) | mm | 400 |
| Elastic Backscatter channel | nm | 355 |
| Depolarization Channel | nm | 355 |
| Effective range (day) | km | 0,4 - 4,0 |
| Effective range (night) | km | 0,4 - 20 |
| Spatial resolution (user adjustable) | m | 60 - 900 |
| Temporal resolution (30 min standart) | min | 10 - 90 |
| Laser characteristics | Hz | 10 |
| Laser energy | mJ | 200 |
| Laser type | ND:YAG | |
| Water Vapor profiles | Dusk to dawn measurements 408nm & 387nm channel | |
| Humidity | Typical accuracy 5%. Resolution 0.1 g / Kg | |
| Temperature accuracy | <2K | |
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