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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 Kasilingan, 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.

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Additional Information:© 1988 American Institute of Physics. Presented on 14 March 1988. Support for this project was provided by DOE contract DE-FG03-86-ER-53225 (subcontracted from U.C.L.A.).
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-86-ER-53225
Issue or Number:8
Record Number:CaltechAUTHORS:20120621-104445262
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Official Citation:Two-dimensional horn imaging arrays (abstract) Gabriel M. Rebeiz, Yong Guo, P. A. Stimson, David B. Rutledge, and Dayalan P. Kasilingan, Rev. Sci. Instrum. 59, 1592 (1988), DOI:10.1063/1.1140156
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32006
Deposited By: Jason Perez
Deposited On:21 Jun 2012 20:06
Last Modified:09 Nov 2021 20:02

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