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Journal Article
Aperture-Miniaturized Antenna Loaded with Split Ring Resonator Array
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- Authors
- Soon Soo Oh, Wook Ki Park, Suk Youb Kang, Hyo Dal Park
- Issue Date
- 2009-06
- Citation
- ETRI Journal, v.31, no.3, pp.315-317
- ISSN
- 1225-6463
- Publisher
- 한국전자통신연구원 (ETRI)
- Language
- English
- Type
- Journal Article
- Project Code
- 09ZR1100, Development of Antenna Measurement System Technology, Oh Soon-Soo
- Abstract
- In this letter, a novel antenna with a miniaturized aperture is proposed. The substrate including a split-ring resonator array is inserted into a size-reduced openended waveguide. For a low return loss and high radiation efficiency, the ring arrangement is optimized, and a stepped transition using H-plane discontinuity is proposed. The proposed antenna achieves a 70% aperture reduction compared to a conventional standard waveguide antenna of WR-187 (47.6 mmx22.2 mm). The return loss drops significantly at three frequencies, and a reasonable gain is achieved. The aperture-miniaturized antenna can be used in many antenna applications such as near-field measurement. ©2009 ETRI.
- KSP Keywords
- 2 mm, H-Plane, High radiation efficiency, Miniaturized antenna, Return loss(RL), low return loss, near-field measurements, resonator array, ring arrangement, split-ring resonator, waveguide antenna