publication . Other literature type . 2015

Absolutely calibrated Raman lidar as a reference tool in atmospheric humidity profiling

Simeonov, Valentin;
Open Access
  • Published: 12 Mar 2015
  • Country: Switzerland
Abstract
Raman lidars exploit the proportionality between the intensity of scattered by a Raman process laser radiation and the number density of the scattering molecules to derive water vapor mixing ratio profile. Water vapor/air mixing ratio is directly proportional to the ratio of the measured intensities of Raman scattering from water vapor and nitrogen molecules. The coefficient of proportionality, commonly denoted as calibration constant, depends on the instrument parameters and the spectroscopic parameters of the scattering molecule and is the primary factor defining lidar measurement accuracy. Derivation of the calibration constant using the above mentioned param...
Subjects
arXiv: Physics::Atmospheric and Oceanic PhysicsAstrophysics::Instrumentation and Methods for Astrophysics
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