Metamaterials for Perfect Absorption by Ji Young Lee, Joo Yull Rhee, Young Joon Yoo, Ki Won Kim

Metamaterials for Perfect Absorption



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Metamaterials for Perfect Absorption Ji Young Lee, Joo Yull Rhee, Young Joon Yoo, Ki Won Kim ebook
Page: 174
ISBN: 9789811001031
Publisher: Springer Singapore
Format: pdf


We investigated the absorption in a sandwich model of absorber metamaterial ( MM) which consists of periodic metallic dishes at the front and metallic plane at t. Chen, “ Interference theory of metamaterial perfect absorbers,” Opt. Metamaterials offer a new approach to create surface coatings with highly customizable electromagnetic absorption from the microwave to the optical regimes. Figure 1: Schematic of metamaterial input and output ports. We show numerically that both coherent perfect absorption and transparency can be realized in a monolayer graphene. Perfect absorption (PA) of incident light is important for both that PA can be also achieved in epsilon-near-zero (ENZ) metamaterial structures. We develop a method for realizing coherent perfect absorption in thin metamaterial systems, based on the coupled-mode theory of Fano resonance. Invisibility cloaking, perfect absorption and transmission, etc. We show multi-band coherent perfect absorption (CPA) in simple bilayered asymmetrically split ring metamaterials. Plasmonic and metamaterial structures can work as efficient narrow band absorbers due to the advantageous for EM absorbers, and perfect absorption. Metamaterial layer can perfectly absorb or giantly amplify an incident plane wave at a critical substrate for perfect absorption, while this is not required for giant. Journal: Applied Physics Letters. Arbitrarily thin metamaterial structure for perfect absorption and giant magnification. Figure 3: Metamaterial absorber. Selective coherent perfect absorption in metamaterials. Thickness and metal conductivity on absorption spectrum. Metamaterial-based perfect absorbers promise many applications. From Coherent perfect absorption in deeply subwavelength films in the single-photon regime.





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