Conformal Parallel Plate Waveguide Polarizer Integrated in a Geodesic Lens Antenna
Here, we propose a low profile polarizing technique integrated in a parallel plate waveguide configuration, compatible with fully metallic geodesic lens antennas. The geodesic shape of the antenna is chosen to resemble the operation of a Luneburg lens. The lens is fed with 11 waveguide ports with 10...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2022, Vol.70 (11), p.1-1 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Vidarsson, Freysteinn V. Zetterstrom, Oskar Algaba-Brazalez, Astrid Fonseca, Nelson J. G. Johansson, Martin Manholm, Lars Quevedo-Teruel, Oscar |
| description | Here, we propose a low profile polarizing technique integrated in a parallel plate waveguide configuration, compatible with fully metallic geodesic lens antennas. The geodesic shape of the antenna is chosen to resemble the operation of a Luneburg lens. The lens is fed with 11 waveguide ports with 10° separation producing 11 switchable beams in an angular range of ±50°. Two metallic polarizing screens are loaded into the aperture of the antenna to rotate the electric field from vertical linear polarization, which is the polarization of the TEM (transverse electromagnetic) mode supported in the lens, to +45° linear polarization. Since the polarizing unit cells are integrated into the aperture of the antenna, the final design is compact. Additionally, the size of the polarizing unit cells is about 0.55λ at the central frequency of operation making the antenna suitable to produce an array formed of stacked lenses. A prototype of the antenna in the K a -band was manufactured and tested, verifying the performance obtained in simulations. |
| doi_str_mv | 10.1109/TAP.2022.3209266 |
| format | Article |
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G. ; Johansson, Martin ; Manholm, Lars ; Quevedo-Teruel, Oscar</creator><creatorcontrib>Vidarsson, Freysteinn V. ; Zetterstrom, Oskar ; Algaba-Brazalez, Astrid ; Fonseca, Nelson J. G. ; Johansson, Martin ; Manholm, Lars ; Quevedo-Teruel, Oscar</creatorcontrib><description>Here, we propose a low profile polarizing technique integrated in a parallel plate waveguide configuration, compatible with fully metallic geodesic lens antennas. The geodesic shape of the antenna is chosen to resemble the operation of a Luneburg lens. The lens is fed with 11 waveguide ports with 10° separation producing 11 switchable beams in an angular range of ±50°. Two metallic polarizing screens are loaded into the aperture of the antenna to rotate the electric field from vertical linear polarization, which is the polarization of the TEM (transverse electromagnetic) mode supported in the lens, to +45° linear polarization. Since the polarizing unit cells are integrated into the aperture of the antenna, the final design is compact. Additionally, the size of the polarizing unit cells is about 0.55λ at the central frequency of operation making the antenna suitable to produce an array formed of stacked lenses. A prototype of the antenna in the K a -band was manufactured and tested, verifying the performance obtained in simulations.</description><identifier>ISSN: 0018-926X</identifier><identifier>ISSN: 1558-2221</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2022.3209266</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna arrays ; Antenna design ; Antenna feeds ; Antennas ; Apertures ; Beam scanning ; Electric fields ; fully metallic ; geodesic lens ; Lens antennas ; Lenses ; Linear polarization ; Luneburg lens antenna ; Optical waveguides ; Parallel plates ; Polarization ; Polarization transformation ; Polarizers ; Refractive index ; Surface waves ; Vertical polarization ; Waveguides</subject><ispartof>IEEE transactions on antennas and propagation, 2022, Vol.70 (11), p.1-1</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-a0396bdb5a947d0df986aedc6d17e8a62606385e5bd3a7b8afdc0cdec8f9729f3</citedby><cites>FETCH-LOGICAL-c301t-a0396bdb5a947d0df986aedc6d17e8a62606385e5bd3a7b8afdc0cdec8f9729f3</cites><orcidid>0000-0002-4900-4788 ; 0000-0002-2432-7708 ; 0000-0002-7971-8706 ; 0000-0002-1991-4334 ; 0000-0003-2193-5131 ; 0000-0002-5338-1789 ; 0000-0003-2004-4433</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9911197$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>230,314,550,776,780,792,881,4010,27900,27901,27902,54733</link.rule.ids><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-323427$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Vidarsson, Freysteinn V.</creatorcontrib><creatorcontrib>Zetterstrom, Oskar</creatorcontrib><creatorcontrib>Algaba-Brazalez, Astrid</creatorcontrib><creatorcontrib>Fonseca, Nelson J. G.</creatorcontrib><creatorcontrib>Johansson, Martin</creatorcontrib><creatorcontrib>Manholm, Lars</creatorcontrib><creatorcontrib>Quevedo-Teruel, Oscar</creatorcontrib><title>Conformal Parallel Plate Waveguide Polarizer Integrated in a Geodesic Lens Antenna</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>Here, we propose a low profile polarizing technique integrated in a parallel plate waveguide configuration, compatible with fully metallic geodesic lens antennas. The geodesic shape of the antenna is chosen to resemble the operation of a Luneburg lens. The lens is fed with 11 waveguide ports with 10° separation producing 11 switchable beams in an angular range of ±50°. Two metallic polarizing screens are loaded into the aperture of the antenna to rotate the electric field from vertical linear polarization, which is the polarization of the TEM (transverse electromagnetic) mode supported in the lens, to +45° linear polarization. Since the polarizing unit cells are integrated into the aperture of the antenna, the final design is compact. Additionally, the size of the polarizing unit cells is about 0.55λ at the central frequency of operation making the antenna suitable to produce an array formed of stacked lenses. A prototype of the antenna in the K a -band was manufactured and tested, verifying the performance obtained in simulations.</description><subject>Antenna arrays</subject><subject>Antenna design</subject><subject>Antenna feeds</subject><subject>Antennas</subject><subject>Apertures</subject><subject>Beam scanning</subject><subject>Electric fields</subject><subject>fully metallic</subject><subject>geodesic lens</subject><subject>Lens antennas</subject><subject>Lenses</subject><subject>Linear polarization</subject><subject>Luneburg lens antenna</subject><subject>Optical waveguides</subject><subject>Parallel plates</subject><subject>Polarization</subject><subject>Polarization transformation</subject><subject>Polarizers</subject><subject>Refractive index</subject><subject>Surface waves</subject><subject>Vertical polarization</subject><subject>Waveguides</subject><issn>0018-926X</issn><issn>1558-2221</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>D8T</sourceid><recordid>eNo9kEtLAzEUhYMoWKt7wU3A9dQ85pEsS9UqFCxSH7twZ3Knjo6Tmswo-utNqbi6j_Pdw-UQcsrZhHOmL1bT5UQwISZSMC3yfI-MeJapRAjB98mIMa6SuH8-JEchvMYxVWk6Ivcz19XOv0NLl-ChbTE2LfRIn-AT10NjkS5dC775QU9vux7XPqqWNh0FOkdnMTQVXWAX6DSqXQfH5KCGNuDJXx2Th-ur1ewmWdzNb2fTRVJJxvsEmNR5acsMdFpYZmutckBb5ZYXqCAXOculyjArrYSiVFDbilUWK1XrQuhajkmy8w1fuBlKs_HNO_hv46Axl83j1Di_Nm_9i5FCpqKI_PmO33j3MWDozasbfBdfNFEtskJqlUaK7ajKuxA81v--nJlt0iYmbbZJm7-k48nZ7qRBxH9ca865LuQv6HF6ew</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>Vidarsson, Freysteinn V.</creator><creator>Zetterstrom, Oskar</creator><creator>Algaba-Brazalez, Astrid</creator><creator>Fonseca, Nelson J. 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| subjects | Antenna arrays Antenna design Antenna feeds Antennas Apertures Beam scanning Electric fields fully metallic geodesic lens Lens antennas Lenses Linear polarization Luneburg lens antenna Optical waveguides Parallel plates Polarization Polarization transformation Polarizers Refractive index Surface waves Vertical polarization Waveguides |
| title | Conformal Parallel Plate Waveguide Polarizer Integrated in a Geodesic Lens Antenna |
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