Note that this instrument has been decomissioned and replaced by a new one.
Transmitter:
Wavelength 354.7 nm
Maximum power 0.35 J per pulse
Repetition rate 50Hz
Pulse width 7 ns
Beam diameter 0.1 m
Beam divergence 0.1 mrad
Receiver:
Wavelengths 354.7 nm (elastic scattering), 386.7 nm (Raman scattering from nitrogen), 407.8 nm (Raman scattering from water vapour)
Range resolution 7.5 m
Field-of-view 0.3 mrad
Mirror diameter 0.45 m
Diagram of transmitter
The laser beam is transmitted in a coaxial geometry with the telescope mirror and the telescope has a Newtonian configuration.
Diagram of receiver