Chinese Optics Letters, 2018, 16 (5): 050004, Published Online: Jul. 4, 2018  

Mid-infrared superabsorbers based on quasi-periodic moiré metasurfaces Download: 632次

Author Affiliations
Department of Mechanical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, USA
Abstract
We report on mid-infrared superabsorbers based on quasi-periodic moiré metasurfaces in metal-insulator-metal form. By varying the spacer thickness, moiré rotation angle, and filling factor of the superabsorbers, we can tune narrowband or broadband absorption in a systematic way. With their high tunability of near-unity absorption and simple fabrication, in combination with decoupled mode theory for an efficient design, moiré superabsorbers are well-suited for a wide range of applications in sensing, imaging, and communication.

Yaoran Liu, Zilong Wu, Eric H. Hill, Yuebing Zheng. Mid-infrared superabsorbers based on quasi-periodic moiré metasurfaces[J]. Chinese Optics Letters, 2018, 16(5): 050004.

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