Closely coupled triple layer hybrid FSS/EBG for increased directivity | Zendy

Davies Ryan W. | Zendy; Morrow Ivor L. | Zendy

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Closely coupled triple layer hybrid FSS/EBG for increased directivity

Author(s) -

Davies Ryan W.,

Morrow Ivor L.

Publication year - 2007

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.22387

Subject(s) - directivity , reflector (photography) , metamaterial , reflection (computer programming) , optics , microwave , filter (signal processing) , antenna (radio) , acoustics , tunable metamaterials , frequency band , materials science , physics , optoelectronics , engineering , electrical engineering , computer science , telecommunications , light source , programming language

A novel frequency selective surface (FSS)/electromagnetic bandgap material (EBG) is presented, which operates as a spectral (frequency domain) and spatial/directional filter. The filter antenna filter (FAF) is shown to increase directivity of a compact EBG monopole antenna in simulation and measurement, resulting in a gain of 15 dB. The FAF can achieve a filtering response equivalent to multiple stacked λ/4 separated FSSs with a triple layer tightly coupled (0.16λ electrical length) surface. Its reflection phase properties exhibit those of an EBG material in its operating frequency making it possible to integrate closely to a radiating source and its reflector. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1125–1128, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI.10.1002/mop.22387

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