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Chin. Phys. B, 2021, Vol. 30(7): 078402    DOI: 10.1088/1674-1056/abea7f

A radar-infrared compatible broadband absorbing surface: Design and analysis

Qing-Tao Yu(余庆陶), Yuan-Song Zeng(曾元松), and Guo-Jia Ma(马国佳)
Aviation Key Laboratory of Science and Technology on Advanced Surface Engineering, AVIC Manufacturing Technology Institute, Beijing 100024, China
Abstract  A radar-infrared compatible stealth surface is designed and analyzed. Without modifying the radar absorbing material (RAM), the design can theoretically achieve radar-infrared compatibility and broadband radar absorption through surface patterns and structures. A transmission-line-based model (TLM) is developed to analyze the radar absorbing performance of the surface. Optimization of the structure geometries is conducted aiming to maximize the -10 dB absorption bandwidth in 2-18 GHz. Surface with optimized structure geometries exhibits a superior absorption bandwidth, more than twice the bandwidth of the original 1.5 mm RAM slab, while maintaining a relatively low infrared emissivity.
Keywords:  stealth      infrared-radar compatible      broadband absorbing      patterned surface  
Received:  27 December 2020      Revised:  05 February 2021      Accepted manuscript online:  01 March 2021
PACS:  84.40.-x (Radiowave and microwave (including millimeter wave) technology)  
  81.65.Cf (Surface cleaning, etching, patterning)  
  84.40.Xb (Telemetry: remote control, remote sensing; radar)  
Fund: Project supported by the Science & Technology Innovation Fund of AVIC Manufacturing Technology Institute, China (Grant No. KS91007113).
Corresponding Authors:  Qing-Tao Yu     E-mail:

Cite this article: 

Qing-Tao Yu(余庆陶), Yuan-Song Zeng(曾元松), and Guo-Jia Ma(马国佳) A radar-infrared compatible broadband absorbing surface: Design and analysis 2021 Chin. Phys. B 30 078402

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