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Proceedings Paper

Holographic microantenna array metrology
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Paper Abstract

We describe a holographic or "phaseless" technique for measurement of complex antenna patterns that is particularly suited to planar antennas at very high frequencies (mm-wave thru long-wave infrared) where phase coherent detection is impractical. It has been implemented in a compact automated antenna range, and validated on a previously reported planar slot-ring antenna at 95 GHz. In the IR, the interferometric technique must be refined in order to reduce to acceptable levels the uncertainties due to positioning and alignment errors. This measurement of the complex antenna pattern is the most problematic part of a full accounting for the optical coupling efficiency "budget" in a microantenna-coupled, imaging sensor array.

Paper Details

Date Published: 19 May 2005
PDF: 7 pages
Proc. SPIE 5789, Passive Millimeter-Wave Imaging Technology VIII, (19 May 2005); doi: 10.1117/12.608839
Show Author Affiliations
E. N. Grossman, National Institute of Standards and Technology (United States)
A. Luukanen, National Institute of Standards and Technology (United States)
A. J. Miller, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 5789:
Passive Millimeter-Wave Imaging Technology VIII
Roger Appleby; David A. Wikner, Editor(s)

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