CST – Computer Simulation Technology

Title:
3D Printed Dielectric Reflectarrays: Low-Cost High-Gain Antennas at Sub-Millimeter Waves
Author(s):
Payam Nayeri, Min Liang, Rafael Sabory-García, Mingguang Tuo, Fan Yang, Michael Gehm, Hao Xin, Atef Z. Elsherbeni
Source:
IEEE Transactions on Antennas and Propagation
Vol./Issue/Date:
Volume: 62, Issue: 4, April 2014
Year:
2014
Page(s):
2000 - 2008
Keywords:
Array antennas, Dielectric antenna, Material loss, Optical antennas, Reflectarray, Terahertz
Abstract:
Dielectric reflectarray antennas are proposed as a promising low-loss and low-cost solution for high gain Terahertz (THz) antennas. Variable height dielectric elements are used in the reflectarray designs, which allow for the use of low dielectric-constant materials. Polymer-jetting 3-D printing technology is utilized to fabricate the antenna, which makes it possible to achieve rapid prototyping at a low-cost. Numerical and experimental results are presented for 3 different prototypes operating at 100 GHz, which show a good performance. Moreover the methodology proposed here is readily scalable, and with the current material and fabrication technology, designs up to 1.0 THz can be realized. This study reveals that the proposed design approach is well suited for low-cost high-gain THz antennas.
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