The spatial-temporal evolution of the far field irradiance distribution from a Gaussian beam due to atmospheric turbulence in the boundary layer

Ray Oermann

doi:10.1117/12.777967

24 April 2008 The spatial-temporal evolution of the far field irradiance distribution from a Gaussian beam due to atmospheric turbulence in the boundary layer

Ray Oermann

Author Affiliations +

Proceedings Volume 6951, Atmospheric Propagation V; 695103 (2008) https://doi.org/10.1117/12.777967
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

The use of high spatial resolution imagery of the far-field irradiance distribution of a 532nm laser is being used to confirm the spatial power spectrum of atmospheric turbulence under a range of different turbulence conditions. The analysis of the temporal and spatial evolution of this irradiance distribution, using a fast framing camera, aims to validate phase screen models and provide an alternate means of measuring a path integrated inner scale. This process will enable the quantification of the impact of boundary layer atmospheric turbulence upon the long-range calibration of Electro-Optic imaging systems and laser communication systems.

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Ray Oermann "The spatial-temporal evolution of the far field irradiance distribution from a Gaussian beam due to atmospheric turbulence in the boundary layer", Proc. SPIE 6951, Atmospheric Propagation V, 695103 (24 April 2008); https://doi.org/10.1117/12.777967

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