中国物理B ›› 2014, Vol. 23 ›› Issue (2): 25201-025201.doi: 10.1088/1674-1056/23/2/025201

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇    下一篇

A thin radar-infrared stealth-compatible structure:Design, fabrication, and characterization

田浩a, 刘海韬a b, 程海峰a   

  1. a Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;
    b Science and Technology on Scramjet Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
  • 收稿日期:2013-06-26 修回日期:2013-07-26 出版日期:2013-12-12 发布日期:2013-12-12
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 51202291).

A thin radar-infrared stealth-compatible structure:Design, fabrication, and characterization

Tian Hao (田浩)a, Liu Hai-Tao (刘海韬)a b, Cheng Hai-Feng (程海峰)a   

  1. a Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;
    b Science and Technology on Scramjet Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
  • Received:2013-06-26 Revised:2013-07-26 Online:2013-12-12 Published:2013-12-12
  • Contact: Cheng Hai-Feng E-mail:chfcfc@163.com
  • About author:52.25.Os; 68.35.bt; 42.25.Bs
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 51202291).

摘要: A thin radar-infrared stealth-compatible structure with reflectivity below –10 dB in the whole radar X wave band and infrared emissivity less than 0.3 in the infrared region of 8 μm–14 μm is reported. The designed stealth-compatible structure consists of metallic frequency selective surface (MFSS), resistive frequency selective surface (RFSS), and metal backing from the top down, and it is only 2.1-mm thick. The MFSS is made up of some divided low infrared emissivity metal copper films, and the RFSS consists of a capacitive array of square resistive patches. They are placed close together, working as an admittance sheet because of a mutual influence between them, and the equivalent admittance sheet greatly reduces the thickness of the whole structure. The proposed stealth-compatible structure is verified both by simulations and by experimental results. These results indicate that our proposed stealth-compatible structure has potential applications in stealth fields.

关键词: radar-infrared stealth-compatible structure, absorbing property, infrared emissivity

Abstract: A thin radar-infrared stealth-compatible structure with reflectivity below –10 dB in the whole radar X wave band and infrared emissivity less than 0.3 in the infrared region of 8 μm–14 μm is reported. The designed stealth-compatible structure consists of metallic frequency selective surface (MFSS), resistive frequency selective surface (RFSS), and metal backing from the top down, and it is only 2.1-mm thick. The MFSS is made up of some divided low infrared emissivity metal copper films, and the RFSS consists of a capacitive array of square resistive patches. They are placed close together, working as an admittance sheet because of a mutual influence between them, and the equivalent admittance sheet greatly reduces the thickness of the whole structure. The proposed stealth-compatible structure is verified both by simulations and by experimental results. These results indicate that our proposed stealth-compatible structure has potential applications in stealth fields.

Key words: radar-infrared stealth-compatible structure, absorbing property, infrared emissivity

中图分类号:  (Emission, absorption, and scattering of electromagnetic radiation ?)

  • 52.25.Os
68.35.bt (Other materials) 42.25.Bs (Wave propagation, transmission and absorption)