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Submillimeter-wave antennas on thin membranes

Rebeiz, Gabriel M. and Regehr, Wade G. and Rutledge, David B. and Savage, Richard L. and Luhmann, Neville C., Jr. (1987) Submillimeter-wave antennas on thin membranes. In: 1987 Antennas and Propagation Society International Symposium. IEEE , Piscataway, NJ, pp. 1194-1197.

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Submillimeter-wave antennas with bismuth microbolometer detectors have been fabricated on 1-μm thick silicon-oxynitride membranes. This approach results in better patterns than previous lens-coupled integrated circuit antennas, and eliminates the dielectric loss associated with the substrate lens. Measurements on a wideband log-periodic antenna at 700 GHz, 380 GHz and 167 GHz, and on a 700 GHz log-periodic imaging array, show no sidelobee and a 3-dB beamwidth between 40° and 50°. Also, the effective area can be increased by 5 dB by the use of a back-shorting mirror. Possible application areas are superconducting tunnel junction receivers for radio astronomy and imaging arrays for plasma diagnostics.

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Alternate Title:Submillimeter-wave antennas an thin membranes
Additional Information:© 1987 IEEE. We thank Dr. Peter Siegel at the National Radio Astronomy Observatory for suggesting the use of log-periodic antennas. We thank Dr. W. R. Snow at Pacific Western Systems for his advice in the deposition of the silicon-oxynitride layer. This work was supported by contracts from the Army Research Office, the Department of Energy and JPL’s program in innovative research.
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Army Research Office (ARO)UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Record Number:CaltechAUTHORS:20170713-134454470
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Official Citation:G. Rebeiz, W. Regehr, D. Rutledge, R. Savage and N. Luhmann, "Submillimeter-wave antennas an thin membranes," 1987 Antennas and Propagation Society International Symposium, Blacksburg, VA, USA, 1987, pp. 1194-1197. doi: 10.1109/APS.1987.1149833
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79092
Deposited On:13 Jul 2017 20:56
Last Modified:15 Nov 2021 17:45

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