LIDAR systems operating in the presence of oceanic turbulence

Olga Korotkova

doi:10.1117/12.2522212

10 May 2019 LIDAR systems operating in the presence of oceanic turbulence

Olga Korotkova

Proceedings Volume 11014, Ocean Sensing and Monitoring XI; 1101403 (2019) https://doi.org/10.1117/12.2522212
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Oceanic turbulence may be detrimental for optical signals in short-link communication and sensing systems, and, in particular, LIDARs. To characterize light propagation for LIDARs we first establish 4 x 4 matrix framework applicable for general ABCD optical systems, a wide variety of optical waves, including partially coherent and partially polarized, and a variety of targets. We then adopt this approach for situations in which a target embedded in the turbulent oceanic layer is to be sensed by a bi-static LIDAR. Under some conditions the monostatic transmission links may also exhibit the Enhanced BackScatter (EBS) effect, due to phase conjugation of incident and return waves. We will brie y discuss the appearance of the EBS in the oceanic turbulence. Our treatment of the oceanic fluctuations is based on the well-known temperature-salinity based power spectrum of the refractive-index and the Huygens-Fresnel integral propagation method.

Conference Presentation

Citation Download Citation

Olga Korotkova "LIDAR systems operating in the presence of oceanic turbulence", Proc. SPIE 11014, Ocean Sensing and Monitoring XI, 1101403 (10 May 2019); https://doi.org/10.1117/12.2522212

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