A hierarchy of atmospheric effects and laser beam detection

John Stephen deGrassie; Stephen Hammel

doi:10.1117/12.2063837

7 October 2014 A hierarchy of atmospheric effects and laser beam detection

John Stephen deGrassie, Stephen Hammel

Proceedings Volume 9224, Laser Communication and Propagation through the Atmosphere and Oceans III; 92240P (2014) https://doi.org/10.1117/12.2063837
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The fundamental principles of laser beam detection from atmospheric scattering are well understood and have been used to make successful predictions of received laser power at off-axis detectors. Furthermore, models have been developed that can correlate atmospheric conditions to these predicted received powers. However, in addition to the first-order scattering effects, other "higher-order" effects (multiple scattering, non-spherical aerosols, and optical turbulence) will also play a role in determining the received power and therefore will affect laser beam detection. Using a validated model created by SPAWAR Systems Center, Pacific, an assessment of the relative impacts of these "higher-order" effects is given by model modifications and comparisons with the fundamental prediction. A summary analysis of the "higher-order" effects is presented in an hierarchy, applying each relative contribution to the detection problem.

Citation Download Citation

John Stephen deGrassie and Stephen Hammel "A hierarchy of atmospheric effects and laser beam detection", Proc. SPIE 9224, Laser Communication and Propagation through the Atmosphere and Oceans III, 92240P (7 October 2014); https://doi.org/10.1117/12.2063837

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