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Dual-Polarized Sinuous Antennas on Extended Hemispherical Silicon Lenses

Edwards, Jennifer M. and O’Brient, Roger and Lee, Adrian T. and Rebeiz, Gabriel M. (2012) Dual-Polarized Sinuous Antennas on Extended Hemispherical Silicon Lenses. IEEE Transactions on Antennas and Propagation, 60 (9). pp. 4082-4091. ISSN 0018-926X. doi:10.1109/TAP.2012.2207048.

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This paper examines the performance of dual-linear sinuous antennas on silicon extended hemispherical silicon dielectric lenses. A theoretical impedance of 106 Ω is identified based on the analysis of an ideal self-complementary structure, and this result compares well with simulations and measurements. The radiation properties of a linearly polarized sinuous antenna are simulated using Method of Moments software coupled to a GO/PO code, and also agree well with measurements. The results indicate that the sinuous antenna is an excellent wideband planar feed for a silicon lens, with cross-polarization levels below -17 dB, and polarization variations of ±5° over two octaves in frequency. The application areas are millimeter-wave, wideband, dual-polarized radio-astronomy receivers.

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Additional Information:© 2012 IEEE. Manuscript received July 01, 2011; manuscript revised October 19, 2011; accepted December 19, 2011. Date of publication July 03, 2012; date of current version August 30, 2012. This work was supported by NASA grant NNG06GJ08G with Dr. Adrian Lee as the Principle Investigator. The authors would like to thank Prof. P. Richardson, Dr. K. Arnold, Dr. G. Engargiola, Dr. M. Myers, E. Quealy, Dr. A. Ghribi, and T. Suzuki for their contributions in technical discussions.
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Subject Keywords:Dielectric lens antennas; integrated lens antennas; log-periodic antennas; millimeter-wave antennas; self-complementary antennas; sinuous antenna; THz antennas
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INSPEC Accession Number12961245
Issue or Number:9
Record Number:CaltechAUTHORS:20130215-110210545
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Official Citation:Edwards, J.M.; O'Brient, R.; Lee, A.T.; Rebeiz, G.M.; , "Dual-Polarized Sinuous Antennas on Extended Hemispherical Silicon Lenses," Antennas and Propagation, IEEE Transactions on , vol.60, no.9, pp.4082-4091, Sept. 2012 doi: 10.1109/TAP.2012.2207048
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36954
Deposited By: Tony Diaz
Deposited On:15 Feb 2013 23:57
Last Modified:09 Nov 2021 23:25

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