The echo signal level of a coherent Doppler lidar with allowance for scanning by a probing beam

V. A. Banakh; L. O. Gerasimova; I. N. Smalikho

doi:10.1117/12.2504362

13 December 2018 The echo signal level of a coherent Doppler lidar with allowance for scanning by a probing beam

V. A. Banakh, L. O. Gerasimova, I. N. Smalikho

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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108331Q (2018) https://doi.org/10.1117/12.2504362
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The influence of scanning by a probing beam on the echo signal level of a pulsed coherent Doppler lidar on an horizontal and oblique paths in the atmosphere has been studied numerically. It has been shown, when scanning by the probing beam is taken into account, the heterodyne efficiency decreases as the lidar sounding rang increases. The higher the angular scanning rate, the greater the mismatch of the wavefronts of a reference and probing beams, the lower the echo signal level.

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V. A. Banakh, L. O. Gerasimova, and I. N. Smalikho "The echo signal level of a coherent Doppler lidar with allowance for scanning by a probing beam", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108331Q (13 December 2018); https://doi.org/10.1117/12.2504362

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KEYWORDS

LIDAR

Heterodyning

Signal to noise ratio

Atmospheric propagation

Beam propagation method

Numerical simulations

Signal detection

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