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A dielectric-filled cavity-backed lens-coupled dipole antenna at 100 GHz

: Dyck, Alexander; Kuri, Michael; Rösch, Markus; Tessmann, Axel; Ambacher, Oliver


Institute of Electrical and Electronics Engineers -IEEE-:
Radio and Wireless Week, RWW 2019 : 20-23 January 2019, Orlando, Florida, IEEE Radio and Wireless Symposium, RWS 2019 will be held during the week
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-5386-5944-1
ISBN: 978-1-5386-5943-4
ISBN: 978-1-5386-5945-8
Radio & Wireless Week (RWW) <14, 2019, Orlando/Fla.>
Radio and Wireless Symposium (RWS) <2019, Orlando/Fla.>
Fraunhofer IAF ()
Antenna-in-Package; dielectric-filled cavity; dielectric lens; dipole; mmW antenna; W-band

This paper presents an antenna design, integrated into a printed circuit board (PCB), operating around the 100 GHz mark. A combination of a cavity-backed antenna with a dielectric lens is implemented to provide an enormous improvement in the farfield pattern and gain of the device. The PCB is manufactured via a standard multilayer fabrication process, using a glass-reinforced epoxy laminate (FR4) and a thermoset polymer (Astra MT77). The lens consists of high-density polyethylene (HDPE) material. The antenna has a relative pattern bandwidth of 25% and reaches a peak gain of 23 dBi. This work contains a brief material characterization of the utilized Astra MT77 substrate at the antenna operating bandwidth and a comparison between simulated and measured results of the antenna.