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Submillimeter-wave antennas on thin membranes

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Abstract

Submillimeter-wave antennas have been fabricated on 1-μm thick silicon-oxynitride membranes. This approach results in better patterns than previous lens-coupled antennas, and eliminates the dielectric loss associated with the substrate lens. Measurements on a wideband log-periodic antenna at 700 GHz, 370 GHz and 167 GHz show no sidelobes and 3-dB beamwidths between 40° and 60°. A linear imaging array has similar patterns at 700 GHz. Possible applications for membrane antennas include wideband superconducting tunnel-junction receivers for radio astronomy and imaging arrays for radiometry and plasma diagnostics.

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Authors and Affiliations

  1. Division of Engineering and Applied Science, California Institute of Technology, 91125, Pasadena, CA

    Gabriel M. Rebeiz, Wade G. Regehr & David B. Rutledge

  2. Department of Electrical Sciences, University of California, Los Angeles, 90024, Los Angeles, CA

    Richard L. Savage & Neville C. Luhmann Jr.

Authors
  1. Gabriel M. Rebeiz
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  2. Wade G. Regehr
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  3. David B. Rutledge
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  4. Richard L. Savage
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  5. Neville C. Luhmann Jr.
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Rebeiz, G.M., Regehr, W.G., Rutledge, D.B. et al. Submillimeter-wave antennas on thin membranes. Int J Infrared Milli Waves 8, 1249–1255 (1987). https://doi.org/10.1007/BF01011076

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  • DOI: https://doi.org/10.1007/BF01011076

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