Functional reconstruction predictions of uplink whole beam Strehl ratios in the presence of thermal blooming

S. Enguehard; Brian Hatfield

doi:10.1117/12.43556

1 May 1991 Functional reconstruction predictions of uplink whole beam Strehl ratios in the presence of thermal blooming

S. Enguehard, Brian Hatfield

Author Affiliations +

Proceedings Volume 1408, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere II; (1991) https://doi.org/10.1117/12.43556
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

We give an overview of functional reconstruction theory for predicting whole beam Strehl ratios as applied to thermal blooming. We begin by writing down the reconstruction formula that relates a finite sized beam Strehl ratio to a sum involving the Strehl ratio of an infinite beam or periodic patch. We then define what a dynamically equivalent patch is and follow by describing the functional approach to scaling patch Strehl curves using a metric on the space of absorption profiles. We end by comparing results from our systems model based on functional reconstruction, SWATM2, which takes only seconds on any machine, with results from large nonlinear 4D wave optics simulations.

Citation Download Citation

S. Enguehard and Brian Hatfield "Functional reconstruction predictions of uplink whole beam Strehl ratios in the presence of thermal blooming", Proc. SPIE 1408, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere II, (1 May 1991); https://doi.org/10.1117/12.43556

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