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Impacts of turbulence thermal blooming interaction (Conference Presentation)
Author(s): Mark F. Spencer

Paper Abstract

This study investigates the use of a recently published extended generalized scaling law [Opt. Exp. 26(12), 15609-15622 (2018)]. In practice, the extended generalized scaling law accurately predicts the diffraction-limited peak irradiance in the far zone given the beam power, wavelength, propagation distance, field-effective area, and field-out-coupling factor. After reviewing this extended scaling law formulation, we compare the far-zone predictions for peak irradiance and Gaussian beam spread to wave-optics simulations which use the split-step beam propagation method and Monte-Carlo averaging. Compared to traditional approaches, the results show that this extended scaling law formulation does a better job in predicting the correct peak irradiance and the correct Gaussian beam spread for horizontal-path scenarios with varying levels of atmospheric turbulence.

Paper Details

Date Published: 10 September 2019
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Proc. SPIE 11135, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019, 1113507 (10 September 2019); doi: 10.1117/12.2529636
Show Author Affiliations
Mark F. Spencer, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 11135:
Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019
Jean J. Dolne; Mark F. Spencer; Markus E. Testorf, Editor(s)

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