Abstract
The Raman lidar technique is a refinement of the lidar method and permits, besides the measurement of particle optical properties, the simultaneous profiling of the water-vapor mixing ratio and temperature with high range resolution and accuracy. This technique does not require a laser transmitter with a certain wavelength; it uses standard high-power lasers. Certain portions of the spectrum of the atmospheric backscatter signal are extracted as measurement signals. The noise and systematic errors in each profile can be characterized, which is a fundamental requirement for many applications. Many ground-based Raman lidar instruments that are intended for research have been constructed, some of which are already operational. The first airborne Raman lidar systems are also now in use, and commercial systems have recently become available. This technique has the potential to be used extensively within surface networks for obtaining atmospheric thermodynamic data with regional to global coverage. Spaceborne Raman lidar operation will also be feasible in the near future.
Published Version
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