Spin angular momentum density and transverse energy flow of tightly focused kaleidoscope-structured vector optical fields

We propose a novel scheme for designing and generating kaleidoscope-structured vector optical fields (KS-VOFs) by analogy with the principle of multiple mirror reflection in a kaleidoscope.For KS-VOFs with symmetric polarization states, we show the symmetry properties of the focal fields with various shapes for different applications.The here redis

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