Journal
INFRARED PHYSICS & TECHNOLOGY
Volume 53, Issue 1, Pages 17-22Publisher
ELSEVIER
DOI: 10.1016/j.infrared.2009.08.002
Keywords
Electromagnetic crystal; Bandwidth; Multi-frequency band; Efficiency; Gain; Microstrip antenna
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The effects of 2-D electromagnetic crystal substrate on the performance of a rectangular microstrip patch antennas at THz frequencies is simulated. Electromagnetic crystal substrate is used to obtain extremely broad-bandwidth with multi-frequency band operation of the proposed microstrip antennas. Multi-firequency band microstrip patch antennas are used in modern communication systems in order to enhance their capacity through frequency reuse. The simulated 10 dB impedance bandwidth of the rectangular patch microstrip antenna is 34.3% at THz frequency (0.6-0.95 THz). The radiation efficiency, gain and directivity of the proposed antenna are presented at different THz frequencies. The simulation has been performed using CST Microwave Studio, which is a commercially available electromagnetic simulator based on finite integral technique. (C) 2009 Elsevier B.V. All rights reserved.
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