Figure 5 | Scientific Reports

Figure 5

From: Highly sensitive label-free biosensor: graphene/CaF2 multilayer for gas, cancer, virus, and diabetes detection with enhanced quality factor and figure of merit

Figure 5The alternative text for this image may have been generated using AI.

(a) Absorption of structure with five graphene layers in the range of 8–12 µm (b, c) first and the second mode of absorption of the proposed structure with five graphene layers with Δn = 0.001 in the medium index, respectively. The red line represents n = 1.3, and the blue line represents a medium with n = 1.301.

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