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Theoretical and Experimental Investigation into the Branched Flow Phenomenon of Light
preprintposted on 2023-01-12, 14:38 authored by Han Lin, Xiaoyue Ma, Kefan Wang
Branched flow can be observed when a laser beam is coupled into a soap film. This research theoretically explored the phenomenon through analogy between light wave and particles in form of Hamilton-Jacobian equation, further discussed the shape and statistics of the branched flow with Fokker-Plank equation and experimentally adopted the methods of interference imaging, computer image processing and so on to obtain the experiment data that could prove previously deduced scaling law concerning the statistical properties of the branched flow.