Title :
Terahertz Horn Antenna Based on Hollow-Core Electromagnetic Crystal (EMXT) Structure
Author :
Wu, Ziran ; Liang, Min ; Ng, Wei-Ren ; Gehm, Michael ; Xin, Hao
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
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.
Keywords :
antenna radiation patterns; crystal structure; horn antennas; submillimetre wave antennas; EMXT structure; THz horn antenna; THz polymer-jetting rapid prototyping technique; THz time-domain spectrometer; all-dielectric terahertz horn antenna; antenna fabrication; far-field radiation patterns; hollow-core electromagnetic crystal structure; return loss; Antenna measurements; Antenna radiation patterns; Horn antennas; Materials; Optical waveguides; Electromagnetic crystal (EMXT); horn antenna; terahertz (THz);
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2012.2211318
