Design of an ultra-wideband and highly-directive photoconductive THz Vivaldi antenna

Publication Type:
Conference Proceeding
Citation:
10th Global Symposium on Millimeter-Waves, GSMM 2017, 2017, pp. 103 - 105
Issue Date:
2017-07-06
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© 2017 IEEE. This paper presents the design of THz Vivaldi Antenna operating in the frequency band of 0.1-6 THz. An optimized design of the antenna is developed by using the CST software to realize an ultra-wideband impedance match, which ranges from 0.7 to 6 THz, as well as a high directivity level, which varies from 3.8 dBi at 2.5 THz to 7.8 dBi at 6 THz. The antenna gain Gmax is found to be -1.6 dBi at 5.5 THz its efficiency ηmaxis 16.3 % at 5.25 THz, both of which are relatively low because of metallic and dielectric losses.
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