Two-dimensional horn imaging arrays (abstract)
Rebeiz, Gabriel M. ; Guo, Yong ; Stimson, P. A. ; Rutledge, David B. ; Kasilingan, Dayalan P.
[S.l.] : American Institute of Physics (AIP)
Published 1988
[S.l.] : American Institute of Physics (AIP)
Published 1988
| ISSN: |
1089-7623
|
|---|---|
| Source: |
AIP Digital Archive
|
| Topics: |
Physics
Electrical Engineering, Measurement and Control Technology
|
| Notes: |
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.).
|
| Type of Medium: |
Electronic Resource
|
| URL: |