Analysis of a Terahertz Dual-Band, Dielectric-Loaded Horn Antenna

A dual-band antenna at terahertz frequencies could be useful for communication and radar applications, but is often difficult to fabricate using traditional techniques. Here a design discussed in is evaluated with XFdtd EM Simulation Software which uses a conical horn to radiate a lower frequency band at 94 GHz and a tapered dielectric strip to carry the higher band of 340 GHz. The antenna produces equal beamwidth patterns in the E and H planes with gain around 18 dBi for both frequencies.

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