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Fig. 5 | eLight

Fig. 5

From: Scalar optical hopfions

Fig. 5

Experimental results of a scalar optical hopfion (l1 = 1, l2 = 1). a Interference fringe patterns for phase measurements. b Theoretical equiphase curves of a hopfion are plotted in solid curves. Experimental data are denoted by circles. Each color corresponds to one specific phase value

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