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(a) Schematic of a graphene layer sandwiched between two dielectrics; (b) energy distribution for TE wave versus z-axis, and incident angle θ; (c) energy distribution for TM wave versus z-axis, and incident angle θ; (d) is the enlargement of (b); (e) is the enlargement of (c). The parameters are , , , , and nm. . The color bars in ((b)-(e)) are normalized equal.
Schematic of the DTRM setup. M, beam splitter; H, a half-wave plate; P, a polarizer P; PD1 and PD2, detectors; D1 and D2, aperture diaphragms.
Experimental and calculated angular dependence of optical reflectance ratio of TM wave to TE wave. (a) Monolayer graphene (N = 1) with and ; (b) Bilayer graphene (N = 2) with and ; (c) Four-layer graphene (N = 4) with and . The insets are the experimental and calculated angular dependence of optical reflectance for TM and TE waves.
Spectral reflectance of four-layer graphene for TM and TE waves, non-polarized light, and 45° linear polarized light.
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