Meta-material inspired switched passive networks on flexible sheets can be placed in the unused area between antennas in Origami and Kirigami shape-changing arrays. These meta-gaps can manipulate the near-field environment in order to compensate for the increased spacing in these arrays. Their flexibility allows meta-gaps to easily fold and deploy in both deployable arrays and mechanically shape-changing phased arrays. This work explores the promise of meta-gaps through the measurement of a 5-by-5 element A-spaced array with 40 meta-gap sheets and 960 switches. The complexity of optimizing such a high-dimensional system is discussed and solutions are proposed. Measurement results demonstrate that in our implementation, meta-gaps increase the broadside main beam power by 0.9 dB, suppress the sidelobes by 4.6 dB, and enhance the field-of-view by 23 degrees compared to a ground plane.
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CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USACALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
Ballew, Conner
Roberts, Gregory
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CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USACALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
Roberts, Gregory
Camayd-Munoz, Sarah
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CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USACALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
Camayd-Munoz, Sarah
Debbas, Maximilien F.
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CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USACALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
Debbas, Maximilien F.
Faraon, Andrei
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CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USACALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA
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Department of Electronic Engineering, Hanyang University, Seoul, Korea, Republic ofDepartment of Electronic Engineering, Hanyang University, Seoul, Korea, Republic of
Yoo, Hyoungsuk
ISAP 2024 - International Symposium on Antennas and Propagation,
2024,