NASA NTRS · 19880032431
Submillimeter-wave antennas on thin membranes
Abstract
Submillimeter-wave antennas have been fabricated on 1-micron 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 deg. 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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Rebeiz, Gabriel M., Regehr, Wade G., Rutledge, David B., Savage, Richard L., Luhmann, Neville C., Jr.. 1987-10-01. Submillimeter-wave antennas on thin membranes. https://ntrs.nasa.gov/citations/19880032431
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