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Flexible zeroth-order resonant antenna independent of substrate deformation
- Authors
- Jung, T. J.; Kwon, J. H.; Lim, Sungjoon
- Issue Date
- May-2010
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v.46, no.11, pp 740 - U21
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 46
- Number
- 11
- Start Page
- 740
- End Page
- U21
- ISSN
- 0013-5194
1350-911X
- Abstract
- A novel flexible zeroth-order resonant (ZOR) antenna is proposed. Its zero phase constant ensures that the antenna performance is independent of substrate deformation. A composite right/left-handed transmission line is designed based on coplanar waveguide technology to realise the zeroth-order resonance phenomenon. This provides good performance: reasonable bandwidth (6.5%) and peak gain (0.69-1.39 dBi). Simulated and measured results show that the antenna's resonant frequencies and radiation patterns are almost unchanged at different curvature diameters of 30, 50, 70 mm, as well as for a flat surface. It is belived that this is the first reported ZOR antenna on a flexible substrate.
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