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Vol. 35, issue 09, article # 10

Razenkov I. A. Engineering and technical solutions when designing a turbulent lidar. // Optika Atmosfery i Okeana. 2022. V. 35. No. 09. P. 766–776. DOI: 10.15372/AOO20220910 [in Russian].
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Abstract:

The design characteristics of the turbulent lidar affecting its thermo-mechanical stability are determined. A comparative description of two different designs is given, where different approaches are implemented to the selection of transceiving optics and receiver detectors and organization of the temperature control system for stabilizing the lidar optical bench. A simulation scheme of a lidar transceiver is suggested, including the calculation of the displacements of optical elements relative to the base points on the optical bench and the ray tracing from the laser into the atmosphere and back. The influence of the temperature gradient between the opposite sides of the optical bench on the operation of the receiving channels is considered. The results of the experimental study of lidars for resistance to temperature changes are presented. Recommendations for improving the design of a turbulent lidar are formulated.

Keywords:

turbulent lidar, atmospheric turbulence, backscatter enhancement effect, thermo-mechanical stability, temperature deformation

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