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. 2016 Aug 23;6(9):155. doi: 10.3390/nano6090155

Figure 3.

Figure 3

Anisotropic absorption enhancement. (a) The thickness of the insulator layer is s=20 nm, and the thickness of the light-absorbing layer is t=50 nm; (b) A unit cell of the cruciform. The period is Px=300 nm, Py=400 nm. The length and width of the long rectangle is 200 nm and 70 nm. The length and width of the short rectangle is 145 nm and 70 nm.