| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Compact Dual-Band Zeroth-Order Resonance Antenna |
| XU He-Xiu1**, WANG Guang-Ming1, GONG Jian-Qiang2 |
1Electromagnetic Field and Microwave Technique, Missile Institute of Air Force Engineering University, Sanyuan 713800
2National Key Laboratory of Antennas and Microwave Technology, Xidian University, Xi'an 710051 |
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| Cite this article: |
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XU He-Xiu, WANG Guang-Ming, GONG Jian-Qiang 2012 Chin. Phys. Lett. 29 014101 |
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Abstract A novel microstrip zeroth-order resonator (ZOR) antenna and its equivalent circuit model are exploited with two zeroth-order resonances. It is constructed based on a resonant-type composite right/left handed transmission line (CRLH TL) using a Wunderlich-shaped extended complementary single split ring resonator pair (W-ECSSRRP) and a series capacitive gap. The gap either can be utilized for double negative (DNG) ZOR antenna or be removed to engineer a simplified elision-negative ZOR (ENG) antenna. For verification, a DNG ZOR antenna sample is fabricated and measured. Numerical and experimental results agree well with each other, indicating that the omnidirectional radiations occur at two frequency bands which are accounted for by two shunt branches in the circuit model. The size of the antenna is 49% more compact than its previous counterpart. The superiority of W-ECSSRRP over CSSRRP lies in the lower fundamental resonance of the antenna by 38.2% and the introduction of a higher zeroth-order resonance.
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| Keywords:
41.20.Jb
41.20.-q
42.25.Gy
84.40.Ba
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Received: 22 September 2011
Published: 07 February 2012
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| PACS: |
41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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41.20.-q
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(Applied classical electromagnetism)
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42.25.Gy
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(Edge and boundary effects; reflection and refraction)
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84.40.Ba
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(Antennas: theory, components and accessories)
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