LIDAR RAMAN


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Technical data

EMISSION

RECEPTION

ACQUISITION

ü Lambda Physik LSX 210i Eximer Laser

ü  Frequency of repetition: 30 Hz

 

ü   Maximum energy of the pulse: 300 mJ @ 308 nm

 

ü     Beam divergence:  0.4 sr

 

ü     Pulse width: ~ 5 ns

ü      Four Newtonian telescopes f/2, with a 50-cm diameter

 

ü      Simultaneous detection of two wavelengths

 

ü        Diffraction net of 3600 lines/mm

 

ü     Transmittance: 40% @ 300 nm

ü     Acquisition system: 250 MHz bandwith

 

ü     Two counting channels: 1024 bins of 1 ms

 

ü      Hamamatsu photomultipliers type H6780-03, adapted for photocounting 

 

 

Water vapor profile as measured with the Lidar Raman at CEILAP


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