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Additive Manufactured Three Dimensional Luneburg Lens for Satellite Communications
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2019 (English)In: 13th European Conference on Antennas and Propagation, EuCAP 2019, Institute of Electrical and Electronics Engineers (IEEE), 2019, article id 8739803Conference paper, Published paper (Refereed)
Abstract [en]

A method for designing gradient refractive index (GRIN) lenses with additive manufacturing or 3D-printing at K-u band is presented. To demonstrate the potential of the method, we designed a Luneburg lens using a single low-loss dielectric material available for 3D-printers. The gradient index is realized by varying the local material fill density of the lens. We demonstrate with full wave simulations that the structure is able to transform a spherical electromagnetic wave to a plane wave. When the lens is fed with a rectangular waveguide, the overall antenna has a gain of 23 dBi with side lobe levels of -12.5 dB in K-u band. This lens, when integrated with a circular polarized feeding system, could find application for ground satellite communications.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2019. article id 8739803
Series
Proceedings of the European Conference on Antennas and Propagation, ISSN 2164-3342
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-257470ISI: 000480384701130Scopus ID: 2-s2.0-85068445817ISBN: 978-8-8907-0188-7 (print)OAI: oai:DiVA.org:kth-257470DiVA, id: diva2:1348803
Conference
13th European Conference on Antennas and Propagation (EuCAP), MAR 31-APR 05, 2019, Krakow, Poland
Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-09-05Bibliographically approved

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Björkqvist, OskarDahlberg, OskarQuevedo-Teruel, Oscar

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