Long range audio laser communication link in a maritime environment

Kenneth J. Grant; Harris R. Burris; Christopher I. Moore; Wayne Martinsen; James Giesbrecht; Bradley A. Clare; Kerry A. Mudge; G. Charmaine Gilbreath; William S. Rabinovich

doi:10.1117/12.852957

4 May 2010 Long range audio laser communication link in a maritime environment

Kenneth J. Grant, Harris R. Burris, Christopher I. Moore, Wayne Martinsen, James Giesbrecht, Bradley A. Clare, Kerry A. Mudge, G. Charmaine Gilbreath, William S. Rabinovich

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Proceedings Volume 7685, Atmospheric Propagation VII; 76850J (2010) https://doi.org/10.1117/12.852957
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

The Defence Science & Technology Organisation (DSTO), in collaboration with the US Naval Research Laboratory (NRL), has performed long distance experiments on analogue modulated free space optical links across Chesapeake Bay, Maryland. In the present work, pulse frequency modulation was used to transmit audio signals over a distance of 32 km (folded path across the Bay). Still images were transmitted using slow scan television (SSTV) techniques, and a novel technique to decrease the transmission time of SSTV images is presented.

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Kenneth J. Grant, Harris R. Burris, Christopher I. Moore, Wayne Martinsen, James Giesbrecht, Bradley A. Clare, Kerry A. Mudge, G. Charmaine Gilbreath, and William S. Rabinovich "Long range audio laser communication link in a maritime environment", Proc. SPIE 7685, Atmospheric Propagation VII, 76850J (4 May 2010); https://doi.org/10.1117/12.852957

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KEYWORDS

Modulation

Frequency modulation

Laser communications

Televisions

Demodulation

Sensors

Electronic filtering

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