Statistical characterization of fluctuations of a laser beam transmitted through a random air-water interface: new results from a laboratory experiment

Arun K. Majumdar; Phillip Land; John Siegenthaler

doi:10.1117/12.2064436

7 October 2014 Statistical characterization of fluctuations of a laser beam transmitted through a random air-water interface: new results from a laboratory experiment

Arun K. Majumdar; Phillip Land; John Siegenthaler

Author Affiliations +

Proceedings Volume 9224, Laser Communication and Propagation through the Atmosphere and Oceans III; 922415 (2014) https://doi.org/10.1117/12.2064436
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

New results for characterizing laser intensity fluctuation statistics of a laser beam transmitted through a random air-water interface relevant to underwater communications are presented. A laboratory watertank experiment is described to investigate the beam wandering effects of the transmitted beam. Preliminary results from the experiment provide information about histograms of the probability density functions of intensity fluctuations for different wind speeds measured by a CMOS camera for the transmitted beam. Angular displacements of the centroids of the fluctuating laser beam generates the beam wander effects. This research develops a probabilistic model for optical propagation at the random air-water interface for a transmission case under different wind speed conditions. Preliminary results for bit-error-rate (BER) estimates as a function of fade margin for an on-off keying (OOK) optical communication through the air-water interface are presented for a communication system where a random air-water interface is a part of the communication channel.

Citation Download Citation

Arun K. Majumdar, Arun K. Majumdar, Phillip Land, Phillip Land, John Siegenthaler, John Siegenthaler, } "Statistical characterization of fluctuations of a laser beam transmitted through a random air-water interface: new results from a laboratory experiment", Proc. SPIE 9224, Laser Communication and Propagation through the Atmosphere and Oceans III, 922415 (7 October 2014); doi: 10.1117/12.2064436; https://doi.org/10.1117/12.2064436

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