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802GHz integrated horn antennas imaging array

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Abstract

This short paper presents the pattern measurements at 802GHz of a single element in a 256-element integrated horn imaging array. The integrated-horn antenna consists of a dipole-antenna suspended on a 1μm dielectric membrane inside a pyramidal cavity etched in Silicon. The theoretical far-field patterns, calculated using reciprocity and Floquet-modes representation of the free-space field, agree well with the measured far-field patterns at 802GBz. The associated directivity for a 1.40 λ horn aperture, calculated from the measured E and H-plane patterns is 12.3dB±0.2dB. This work demonstrates that high-efficiency integrated-horn antennas are easily scalable to terahertz frequencies and could be used for radio-astronomical and plasma-diagnostic applications.

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References

  1. G.M. Rebeiz, D.P. Kasilingan, P.A. Stimson, Y. Guo, and D.B. Rutledge, “Monolithic millimeter-wave two-dimensional horn imaging arrays,”IEEE Trans. Antennas Propag., vol. Ap-28, Sept. 1990.

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  3. W.Y. Ali-Ahmad, and G.M. Rebeiz, “92GHz dual-polarized integrated horn antennas,” accepted for publication in theIEEE-Trans. Antennas Propag., Dec. 1990.

  4. G.V. Eleftheriades, W.Y. Ali-Ahmad, L.P. Katehi. and G.M. Rebeiz, “Millimeter-wave integrated-horn antennas, Part I: Theory,” and “... , Part II: Experiment,” submitted for publication in theIEEE-Trans. Antennas Propag., Dec. 1990.

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Authors and Affiliations

  1. NASA/Center for Space Terahertz Technology Electrical Engineering and Computer Science Department, University of Michigan, 48109-2122, Ann Arbor, MI

    Walid Y. Ali-Ahmad & Gabriel M. Rebeiz

  2. Planetary Systems Branch, NASA/Goddard Space Flight Center, 20771, Greenbelt, MD

    Hemant Davé & Gordon Chin

Authors
  1. Walid Y. Ali-Ahmad
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  2. Gabriel M. Rebeiz
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  3. Hemant Davé
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  4. Gordon Chin
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Ali-Ahmad, W.Y., Rebeiz, G.M., Davé, H. et al. 802GHz integrated horn antennas imaging array. Int J Infrared Milli Waves 12, 481–486 (1991). https://doi.org/10.1007/BF01010881

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  • DOI: https://doi.org/10.1007/BF01010881

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