Chinese Optics Letters, 2016, 14 (6): 062802, Published Online: Aug. 3, 2018  

Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material Download: 1076次

Yayun Cheng 1,2Fei Hu 1,2Feng He 1,2,*Liang Wu 1,2Xiaoqin He 1,2
Author Affiliations
1 School of EIC, Huazhong University of Science and Technology, Wuhan 430074, China
2 National Key Laboratory of Science and Technology on Multi-Spectral Information Processing, Wuhan 430074, China
Abstract
To achieve radar and infrared stealth, an infrared stealth layer is usually added to the radar absorbing material (RAM) of stealth aircraft. By analyzing the millimeter-wave (MMW) emissivities of three stealth materials, this Letter investigates the impact of the added infrared stealth layer on the originally “hot” MMW emission of RAM. The theoretical and measured results indicate that, compared with the monolayer RAM, the MMW emission of the bilayer material is still strong and its emissivity is reduced by 0.1–0.2 at almost every incident angle. The results partially demonstrate the feasibility of detecting stealth aircraft coated with this bilayer stealth material.

Yayun Cheng, Fei Hu, Feng He, Liang Wu, Xiaoqin He. Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material[J]. Chinese Optics Letters, 2016, 14(6): 062802.

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