Impact of atmospheric turbulence on beam propagation

Jana D. Strasburg; Warren W. Harper

doi:10.1117/12.541666

8 September 2004 Impact of atmospheric turbulence on beam propagation

Jana D. Strasburg, Warren W. Harper

Proceedings Volume 5413, Laser Systems Technology II; (2004) https://doi.org/10.1117/12.541666
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

A trailer-based sensor system has been developed for remote chemical sensing applications. The detection scheme utilizes quantum cascade lasers operating in the long-wave infrared. It has been determined that atmospheric turbulence is the dominating noise source for this system. For this application, horizontal path lengths vary from several hundred meters to several kilometers resulting in weak to moderate to strong turbulence conditions. Field experiments have simultaneously monitored meteorological and atmospheric quantities during remote sensing in order to better understand the impact of turbulence on horizontal beam propagation. A numerical model has been developed to simulate the performance of the system and comparisons between simulation and experiment have been encouraging.

Citation Download Citation

Jana D. Strasburg and Warren W. Harper "Impact of atmospheric turbulence on beam propagation", Proc. SPIE 5413, Laser Systems Technology II, (8 September 2004); https://doi.org/10.1117/12.541666

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