Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Verification of Durability of Electromagnetic Metamaterial Absorber in Temperature Varying Environment for Its Application to Integrated Mast of Next-Generation Destroyer

차기구축함 통합마스트에 적용을 위한 전자기파 메타물질 흡수체의 온도 환경 내구성 검증

  • Ra, Young-Eun (LIG Nex1) ;
  • Kim, Yongjune (Center for Advanced Meta-Materials) ;
  • Jung, Hyun-June (Center for Advanced Meta-Materials) ;
  • Park, Pyoungwon (Department of Printed Electronics, Korea Institute of Machinery and Materials) ;
  • Jo, Jeongdai (Department of Printed Electronics, Korea Institute of Machinery and Materials) ;
  • Lee, Joonsik (Composite Research Division, Korea Institute of Materials Science) ;
  • Kim, Myungjoon (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology) ;
  • Jung, Joonkyo (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology) ;
  • Lee, Gun-Min (LIG Nex1) ;
  • Lee, Jong-Hak (LIG Nex1) ;
  • Lee, Hak-Joo (Center for Advanced Meta-Materials)
  • Received : 2020.03.14
  • Accepted : 2020.03.23
  • Published : 2020.03.31
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Abstract

In this paper, the durability of an electromagnetic metamaterial absorber is verified in a temperature varying condition mimicking a maritime environment for the purpose of applying it to reduce the radar cross section of an integrated mast of the next-generation destroyer. To validate the durability, the reflectance of the electromagnetic metamaterial absorber was measured after storing it in a chamber that can control the temperature according to Procedure I of Method 501.7 included in MIL-STD-810H. Before and after the environmental test, both of the measured reflectances were retained less than -10 dB over the X band, that can guarantee the stealth functionality.

본 논문에서는 차기구축함에 탑재될 통합 마스트의 레이더 반사면적을 감소시킬 수 있는 스텔스 기술로 응용하기 위해 해양 환경이 모사된 온도 환경 조건에서 전자기파 메타물질 흡수체의 내구성을 검증하였다. 이를 위해 미국 군사 규격인 MIL-STD-810H의 Method 501.7 중 Procedure I 조건에 따라 주기적으로 온도를 조절할 수 있는 항온 챔버에 저장 후 전자기파 메타물질 흡수체의 반사도를 측정하였다. 고온 환경시험 전과 후 모두 X 밴드 전체에서 스텔스 성능을 충족시킬 수 있는 -10 dB 미만의 반사도가 확인되었다.

Keywords

References

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