Monostatic image distortion lidar technique for measuring intensity of atmospheric turbulence

Mikhail S. Belen'kii; Gary G. Gimmestad

doi:10.1117/12.178039

29 June 1994 Monostatic image distortion lidar technique for measuring intensity of atmospheric turbulence

Proceedings Volume 2222, Atmospheric Propagation and Remote Sensing III; (1994) https://doi.org/10.1117/12.178039
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

A new remote sensing technique is described here for monitoring the vertical distribution of the intensity of atmospheric turbulence. The technique has several applications, including improving the performance of adaptive optics systems, prediction of laser beam degradation on long distance propagation paths, and site surveys for astronomy. The physical phenomenon underlying this method is caused by phase fluctuations, and as a result, this method does not saturate with increasing refractive index structure characteristic C_n² or with distance, and it is not affected by variations in the inner scale of turbulence. This method permits us to measure both the vertical profile of C_n² and an anizotropy coefficient of the atmospheric turbulence. Estimates of expected measured quantities are obtained, and they show that the proposed technique could be realized with existing optical systems.

Citation Download Citation

Mikhail S. Belen'kii and Gary G. Gimmestad "Monostatic image distortion lidar technique for measuring intensity of atmospheric turbulence", Proc. SPIE 2222, Atmospheric Propagation and Remote Sensing III, (29 June 1994); https://doi.org/10.1117/12.178039

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