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Terahertz Horn Antenna Based on Hollow-Core Electromagnetic Crystal (EMXT) Structure

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5 Author(s)
Ziran Wu ; Department of Physics and Department of Electrical and Computer Engineering, University of Arizona, Tucson, AZ, USA ; Min Liang ; Wei-Ren Ng ; Michael Gehm
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An all-dielectric terahertz (THz) horn antenna based on hollow-core electromagnetic crystal structure is designed, fabricated and characterized. Simulation shows that the antenna works above 100 GHz, with better than 30 dB return loss and highly directional radiation pattern. Fabrication of the antenna is done using a THz polymer-jetting rapid prototyping technique. Characterization of the antenna is performed using a THz time-domain spectrometer. Measurement results of the far-field radiation patterns show good agreement with simulation results.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:60 ,  Issue: 12 )