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instruments:ramanlidar [2024/05/03 11:48] – [Principle] rainerinstruments:ramanlidar [2024/05/03 12:26] (current) – [Specifications] rainer
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 ===== Principle ===== ===== Principle =====
  
-The system provides continuous (24/7), unattended day and night temperature, water vapor,+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 backscatter coefficient and extinction profiling within the atmospheric boundary layer, through the
 entrainment zone and into the free troposphere, at a fixed location. 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 ===== ===== Instrument =====
 {{:instruments:img_0040.jpeg?300|}} {{:instruments:img_0040.jpeg?300|}}
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-^  Parameter  ^  Specification  ^  +^  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 repetition rate|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| 
 + 
 + 
 + 
  
instruments/ramanlidar.1714729735.txt.gz · Last modified: 2024/05/03 11:48 by rainer