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Imagine the sound of a dinosaur roaring... Super loud, right? Wrong... It turns out the giant prehistoric creatures almost ...
Beams carrying orbital angular momentum (OAM), has attracted wide interests recently, due to their favorable potential in communications, optical tweezers, remote detection, etc. However, distortion ...
In this paper, the fruit fly optimization algorithm (FOA) is applied to synthesize orbital angular momentum (OAM) beams. Numerical simulations based on concentric circular array antenna (CCAA) are ...