Summary of Article: The topological aberrations of twisted light

 Topology describes the study of properties of spaces that are invariant under any continuous deformation.Topological aberration: It contains a high-order optical vortex which experiences not only geometrical shifts, but an additional splitting of its high-order vortex into a constellation...

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Summary of Article: Temporal signal processing method for optical metasurfaces

The temporal signal: Temporal signal varies with time. It is used to identify patterns, or changes in audio signals, video frames, or sensor readings. In optics, it is used for shaping, filtering, or differentiating light signals to data transmission or image processing.The metasurface is very thin...

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