25 September 2013 Wave optics simulation for beams with spatially varying coherence properties
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Abstract
In this work we propose a numerical wave optics approach for simulating the propagation of a beam with spatially varying coherence properties. The concept involves the development of a random screen with spatially varying correlation (SVC) properties that is implemented in the source plane. Three scenarios with different SVC effects are presented and a large sequence of screen realizations is applied and the intensity results after propagation are averaged to yield the partially coherent result. This approach allows the propagation characteristics of a wide range of beam types to be evaluated. The simulation results demonstrate that beams with SVC properties can obtain unusual intensity distribution, which might not be achieved with more conventional beams such as the Gaussian Schell-model beam.
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Xifeng Xiao, David G. Voelz, "Wave optics simulation for beams with spatially varying coherence properties ", Proc. SPIE 8874, Laser Communication and Propagation through the Atmosphere and Oceans II, 887405 (25 September 2013); doi: 10.1117/12.2026882; https://doi.org/10.1117/12.2026882
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