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. 2015 Dec 8;5:17865. doi: 10.1038/srep17865

Figure 2.

Figure 2

(a) Transmission spectrum of the proposed heterogeneous composite (the blue line), which is divided into three regions I, II, and III, and transmission spectrum of the bulk mineral (the red line). (b,c) Transmission spectrum of the lower layer and upper layer, respectively. The insets show the schematics of the heterogeneous composite and its lower and upper layer.