Wideband Low-Loss Linear and Circular Polarization Transmit-Arrays in V-Band

Several linearly-polarized and circularly-polarized transmit-arrays are designed and demonstrated in the 60-GHz band. These arrays have a fairly simple structure with three metal layers and are fabricated with a standard printed-circuit board technology. The simulation method is based on an electrom...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2011-07, Vol.59 (7), p.2513-2523
Main Authors: Kaouach, H., Dussopt, L., Lanteri, J., Koleck, T., Sauleau, R.
Format: Article
Language:English
Subjects:
Antenna arrays
Antenna radiation patterns
Antennas
Applied classical electromagnetism
Applied sciences
Arrays
Computer simulation
Discrete lens
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Engineering Sciences
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gain
Mathematical analysis
Micro and nanotechnologies
Microelectronics
millimeter-wave antennas
Optimization
Physics
Polarization
Propagation losses
Radiocommunications
Telecommunications
Telecommunications and information theory
transmit-array
Transmitting antennas
unit-cell
Wideband
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Summary:Several linearly-polarized and circularly-polarized transmit-arrays are designed and demonstrated in the 60-GHz band. These arrays have a fairly simple structure with three metal layers and are fabricated with a standard printed-circuit board technology. The simulation method is based on an electromagnetic model of the focal source and the unit-cells, associated to an analytical modeling of the full structure. A theoretical analysis is presented for the optimization of the power budget with respect to the F / D ratio. Several prototypes are designed and characterized in V -band. The experimental results are in very good agreement with the simulations and demonstrate very satisfactory characteristics. Power efficiencies of 50-61% are reached with a 1-dB gain bandwidth up to 7%, and low cross-polarization level.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2011.2152331