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. 2019 Feb 22;14:64. doi: 10.1186/s11671-019-2876-3

Fig. 4.

Fig. 4

Absorption curve of triple-band MPA under plane wave irradiation is given in a; b, c, and d show the |Hy| field distributions of the first, the second, and the third modes of the triple-band MPA, respectively. Absorption curves of the triple-band MPA under different lengths of l1, l2, and l3 are demonstrated in e, f, and g, respectively