Ultra-wideband arrays

In a recent paper, the authors presented a Superstrate-Enhanced Substrate-Loaded Array (SESLA) for scanning array systems demanding extreme (> 10 : 1) bandwidth. For proper operation, the SESLA requires balanced feeding, a significant challenge given its large bandwidth. In this paper a version of the SESLA with an integrated feed is presented. The design uses a stripline-based Marchand balun, allowing interface with a 50Ω unbalanced line. The optimized version of the array is demonstrated to operate across a 13.9 : 1 bandwidth under broadside scan (V SW R < 2.4) and across a 13.3 : 1 bandwidth (V SW R < 3) when scanned to 45 0 in the E− and H−planes.

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Feeding of a wideband Superstrate-Enhanced Substrate Loaded Array

Moulder

Sertel

Volakis

2013

2013 IEEE Antennas and Propagation Society International Symposium (APSURSI)

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Optimal ultra wideband conformal arrays

Volakis

Sertel

2013

2013 IEEE Antennas and Propagation Society International Symposium (APSURSI)

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Multioctave thin planar Traveling-Wave Antennas and Arrays (TWA) with high efficiency

Wang

2013

2013 IEEE Antennas and Propagation Society International Symposium (APSURSI)

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Ultra-wideband arrays

Cited by 24 publications

References 2 publications

Feeding of a wideband Superstrate-Enhanced Substrate Loaded Array

Feeding of a wideband Superstrate-Enhanced Substrate Loaded Array

Optimal ultra wideband conformal arrays

Multioctave thin planar Traveling-Wave Antennas and Arrays (TWA) with high efficiency

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