Moseley, P;
Savini, G;
Saenz, E;
Zhang, J;
Ade, PAR;
(2019)
Detailed Characterization of a Lenster-A mm-Wave Flat Lens.
IEEE Transactions on Antennas and Propagation
, 67
(5)
pp. 3178-3184.
10.1109/TAP.2019.2902435.
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Abstract
We perform detailed free-space measurements of a previously published metal-mesh thin flat gradient index lens using a vector network analyzer. Direct measurements of the transmission and phase of the lens are made over the frequency band of 75-220 GHz, including off-axis performance. Beam patterns at 110 and 160 GHz show good agreement with the Airy pattern expectation and demonstrate its relative broadband performance. We also show that the beam profiles are not affected when it is rotated by ±6° with the receiver demonstrating its usability under nonnormal illumination.
| Type: | Article |
|---|---|
| Title: | Detailed Characterization of a Lenster-A mm-Wave Flat Lens |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/TAP.2019.2902435 |
| Publisher version: | https://doi.org/10.1109/TAP.2019.2902435 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Frequency-selective surface, gradient index (GRIN), lens, metamaterials |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10075660 |
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