Shun Cao, Wang, Taisheng , Sun, Qiang , Tang, Yuguo , Hu, Bingliang , Levy, Uriel , and Yu, Weixing . 2018. “Graphene-Silver Hybrid Metamaterial For Tunable And High Absorption At Mid-Infrared Waveband”. Ieee Photonics Technology Letters, 30, 5, Pp. 475-478. https://ieeexplore.ieee.org/document/8278195/authors#authors.