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Fig. 3 | Nanoscale Research Letters

Fig. 3

From: Spin-Independent Plasmonic Lens

Fig. 3

Simulated SPP field generated by LCP (a) and RCP (b) light. c, d The corresponding transversal and longitudinal distributions. The positions and profiles of the SPP focuses generated by LCP and RCP light are exactly the same. e, f The corresponding phase distributions around the focus. The two spiral phases with opposite directions in e and f can cancel out each other, which is the origin of spin-independent SPP focusing

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