Title

Angular Resolution Improvement of Infrared Phased-Array Antennas

Authors

Authors

B. A. Slovick; J. A. Bean;G. D. Boreman

Comments

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Abbreviated Journal Title

IEEE Antennas Wirel. Propag. Lett.

Keywords

Dipole antennas; directional antennas; infrared detectors; phased arrays; DIODE; NANOANTENNAS; PERFORMANCE; FREQUENCIES; DETECTORS; FIELD; Engineering, Electrical & Electronic; Telecommunications

Abstract

Measured and simulated angular response patterns at 10.6 mu m demonstrate considerable improvement in angular resolution with a four-element phased-array antenna versus that of a two-element array. Due to propagation loss in the transmission line that connects the antenna elements, further resolution improvement is minimal with a six-element phased array. Additional measurements of a two-element array with increased metal thickness indicate that further improvement in angular resolution is possible by reducing propagation loss in the transmission line. With the combination of additional antenna elements and reduced propagation loss, substantial improvement in the angular resolution of off-broadside performance is also observed. All devices use a metal-oxide-metal tunnel diode as the detector element.

Journal Title

Ieee Antennas and Wireless Propagation Letters

Volume

10

Publication Date

1-1-2011

Document Type

Article

Language

English

First Page

119

Last Page

122

WOS Identifier

WOS:000290434700032

ISSN

1536-1225

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