An ultralight broadband radar and thermal infrared compatible stealth structure based on metamaterials
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1.School of Mechanical Electronic and Information Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;2.Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China;3.National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, China

Clc Number:

TB34

Fund Project:

Supported by Project of China Aerospace Science and Technology Corporation

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    Abstract:

    A radar/infrared compatible stealth structure based on metamaterial was successfully designed in this paper, and the structure consists of an infrared stealth layer (IRSL), two microwave absorption layers (MAL) and a microwave reflection layer (MRL) based on indium tin oxide (ITO) film. The IRSL is composed of frequency selective surface of ring hollow structure. The MALs are composed of square ring structures with different period and square resistance. The MRL is composed of continuous conductive film. Each layer is separated by a polymethacrylimide (PMI) materials with different thickness. Experimental results show that the structure can achieve more than 90% microwave absorption in the range of 2~18.6 GHz, and its infrared emissivity is lower than 0.3.

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NIU Shuai, YANG Chang, CHANG Hui-Cong, XIAO Lin, GUO Nan, QU Yan-Chen, LI Guo-Hua. An ultralight broadband radar and thermal infrared compatible stealth structure based on metamaterials[J]. Journal of Infrared and Millimeter Waves,2022,41(4):745~750

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History
  • Received:January 10,2022
  • Revised:August 14,2022
  • Adopted:March 15,2022
  • Online: August 10,2022
  • Published:
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