A lidar equation with allowance for the finite width of the lasing line

Proceedings of the International Conference “Luminescence and Laser Physics, 2014”


The effect the finite width of the lasing line has on the results of lidar experiments is studied. When the lasing line half-width is increased, the elastic backscattering power is reduced by up to 1.5% at sounding distances of up to 5 km, and the relative error in measurements of the elastic scattering power is approximately doubled at the same sounding distances. It is shown for the first time that allowing for the finite width of the lasing line in the sounding of iodine molecules in the atmosphere with differential absorption and scattering lidar clearly reduces the optical density as the sounding distance and concentration of iodine molecules grow.


Lidar Half Width Lasing Line Finite Width Differential Absorption 
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© Allerton Press, Inc. 2015

Authors and Affiliations

  1. 1.St. Petersburg State Polytechnic UniversitySt. PetersburgRussia
  2. 2.Novorossiisk Polytechnic InstituteNovorossiiskRussia

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