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EM characteristics of the RAS composed of E-glass/epoxy composite and single dipole FSS element |
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| Authors: | Po Chul Kim Woo Seok Chin Dai Gil Lee Il Sung Seo |
| Affiliation: | aDepartment of Mechanical Engineering, Korea Advanced Institute of Science and Technology, ME3221, Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea bCMF Part, Mobile Communication Division, Telecommunication Network Business, Samsung Electronics Co., Ltd., Maetan-3dong, Suwon-Si, Gyeonggi-do 442-600, Republic of Korea cAgency for Defense Development, P.O. Box 35, Yuseong-gu, Daejeon, Republic of Korea |
| Abstract: | From the methods to reduce radar cross section (RCS) such as shaping of the target, radar absorbing material (RAM), and radar absorbing structure (RAS), the RAS composed of frequency selective surface (FSS) screens and low-loss composite materials is used widely because the FSS screen transmits or reflects electromagnetic (EM) waves selectively and the composite material withstands external loads. In this study, the RAS composed of the E-glass/epoxy composite and single dipole FSS element was fabricated by printed circuit board (PCB) manufacturing process, and their EM transmission characteristics, such as a resonant frequency, a minimum transmission loss, and a transmission bandwidth, were measured in the X-band frequency range by the free space method with respect to the size of dipole element and its periodicity of array. |
| Keywords: | Low-loss composite materials RAS FSS EM waves Dipole |
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