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Journal Articles IEEE Antennas and Wireless Propagation Letters Year : 2014

High-gain Yagi-Uda antenna on cyclic olefin copolymer substrate for 300 GHz applications

Abstract

The cyclic olefin copolymer is a dielectric material with very attractive mechanical and electrical properties for millimeter- and submillimeter-based devices as recently demonstrated in a few applications. Here, we present the possibility of employing this material as a substrate for traveling-wave antennas through the design, fabrication, and characterization of a Yagi-Uda antenna working around 300 GHz. The developed fabrication process can be scaled to higher frequencies to take advantage of the extremely low absorption of such a dielectric at terahertz (THz) frequencies. The measurements agree well with the calculations, and a high gain of 15.4 dB has been achieved at 300 GHz. The measured bandwidth for a reflection coefficient of -10 dB is 10 GHz, and the radiation pattern presents a symmetrical main lobe with an angular width below 25°.
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hal-00996085 , version 1 (26-05-2014)

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Fabio Pavanello, Guillaume Ducournau, Emilien Peytavit, Sylvie Lepilliet, Jean-Francois Lampin. High-gain Yagi-Uda antenna on cyclic olefin copolymer substrate for 300 GHz applications. IEEE Antennas and Wireless Propagation Letters, 2014, 13, pp.939-942. ⟨10.1109/LAWP.2014.2322628⟩. ⟨hal-00996085⟩
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