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Figure 1
The configuration of the absorber, consisting of a graphene square array resting on a silicon square array backed by a two-dimensional multilayer grating. P is the period of the square array, w is the side width, hs is the thickness of the Si square array, and h1 and h2 are the thicknesses of the SiO2 and Si layers, respectively.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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