A broadside radiating holographic antenna excited by a traveling wave patch array
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We present a method of exciting a surface wave based hologram using a traveling-wave microstrip patch array to achieve broadside radiation. This holographic antenna may also be viewed as a periodic surface wave based leaky-wave antenna (LWA) fed by a fundamental mode microstrip LWA. Broadside radiation in the E-plane is achieved by the symmetric holographic surface. In the H-plane, broadside radiation from the patch array is attained by introducing reflection compensation sections in the microstrip line. A beam with peak radiation at broadside in both E and H-planes is achieved with 17.7 dBi antenna gain at approximately 7.7 GHz. ©2010 IEEE.
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Cameron, T.; Sutinjo, Adrian; Okoniewski, M. (2010)A series-fed “herringbone” microstrip traveling wavecircularly polarized antenna array is designed to achieve broadsideradiation. It is shown that such an antenna can be modeledas a periodic leaky-wave (LW) structure, ...
Sutinjo, Adrian; Okoniewski, M.; Johnston, R. (2010)A holographic antenna inspired structure is used tocontrol the surface wave (SW) excited by a microstrip patch antenna.The hologram is designed to support a periodic leaky-wavewhich radiates at broadside and enhances the ...
A holographic antenna approach to improve the surface wave efficiency and gain of a microstrip patchSutinjo, Adrian; Okoniewski, M.; Johnston, R. (2009)The holographic antenna approach is adapted for operation in the microstrip regime to re-radiate the surface wave (SW) excited by the patch antenna. This paper discusses the design of the holographic surface, as well as ...