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Two-dimensional horn imaging arrays (abstract)

Rebeiz, Gabriel M. and Guo, Yong and Stimson, P. A. and Rutledge, David B. and Kasilingam, Dayalan P. (1988) Two-dimensional horn imaging arrays (abstract). Review of Scientific Instruments, 59 (8). p. 1592. ISSN 0034-6748. doi:10.1063/1.1140156.

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A two-dimensional horn imaging array has been demonstrated at 242 and 93 GHz. In this configuration, a dipole is suspended in a pyramidal horn, fabricated by an anisotropic chemical etch technique, on a 1-µm silicon-oxynitride membrane. This approach leaves room for low-frequency lines and processing electronics. Pattern measurements on a 1.45-λ imaging array agree well with theory, show no sidelobes, and a 3-dB beamwidth of 35° and 46° for the E and H planes, respectively. Application areas include a superconducting tunnel-junction receiver for radio astronomy and imaging arrays for real-time electron density mapping in fusion plasmas. Support for this project was provided by DOE contract DE-FG03-86-ER-53225 (subcontracted from U.C.L.A.).

Item Type:Article
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Additional Information:Copyright © 1988 American Institute of Physics. Presented on 14 March 1988.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-86-ER-53225
Issue or Number:8
Record Number:CaltechAUTHORS:REBrsi88
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12017
Deposited By: Archive Administrator
Deposited On:20 Oct 2008 16:47
Last Modified:08 Nov 2021 22:25

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