Reconfigurable beam steering metasurface absorbers

Idellyse Martinez; Douglas H. Werner

doi:10.1109/APS.2014.6905163

Reconfigurable beam steering metasurface absorbers

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An ultra-thin reconfigurable metasurface absorber consisting of a mushroom type artificial magnetic conductor (AMC) is proposed. By capacitively loading the unit cells the reflection phase can be shifted, allowing the metasurface to steer the incoming wave to the desired direction, behaving as a phase gradient absorber. A formula based on antenna array theory was used to determine the required phase shift needed to steer the main beam. A reduction of 30dBm² compare to a PEC ground plane was achieved for the design that steers the main beam to Φ=0° and θ= 15°, from the specular direction. Also, it was further shown that by incorporating resistors into the loaded structure the main beam width can be increased.

Original language	English (US)
Title of host publication	2014 IEEE Antennas and Propagation Society International Symposium(APSURSI)
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1674-1675
Number of pages	2
ISBN (Electronic)	9781479935406
DOIs	https://doi.org/10.1109/APS.2014.6905163
State	Published - Sep 18 2014
Event	2014 IEEE Antennas and Propagation Society International Symposium, APSURSI 2014 - Memphis, United States Duration: Jul 6 2014 → Jul 11 2014

Publication series

Name	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
ISSN (Print)	1522-3965

Other

Other	2014 IEEE Antennas and Propagation Society International Symposium, APSURSI 2014
Country	United States
City	Memphis
Period	7/6/14 → 7/11/14

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/APS.2014.6905163

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Martinez, I., & Werner, D. H. (2014). Reconfigurable beam steering metasurface absorbers. In 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI) (pp. 1674-1675). [6905163] (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APS.2014.6905163

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Martinez, I & Werner, DH 2014, Reconfigurable beam steering metasurface absorbers. in 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI)., 6905163, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), Institute of Electrical and Electronics Engineers Inc., pp. 1674-1675, 2014 IEEE Antennas and Propagation Society International Symposium, APSURSI 2014, Memphis, United States, 7/6/14. https://doi.org/10.1109/APS.2014.6905163

Reconfigurable beam steering metasurface absorbers. / Martinez, Idellyse; Werner, Douglas H.

2014 IEEE Antennas and Propagation Society International Symposium(APSURSI). Institute of Electrical and Electronics Engineers Inc., 2014. p. 1674-1675 6905163 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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