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Proceedings Paper

Hologram as the collimating element in a compact antenna test range at millimeter wavelengths
Author(s): Antti V. Raisanen; Taavi Hirvonen; Juha Ala-Laurinaho; Arto Lehto
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Paper Abstract

A compact antenna test range (CATR) has a great potential for testing electrically large antennas. However, the application of conventional reflector type CATRs becomes increasingly difficult, though not impossible, above 100 GHz due to the tight surface accuracy requirements for the reflectors. A CATR based on a planar hologram has been studied to overcome the problems incurred by the use of reflectors with insufficient surface accuracy. This paper summarizes the recent results obtained for a hologram CATR at Helsinki University of Technology.

Paper Details

Date Published: 2 October 1998
PDF: 10 pages
Proc. SPIE 3464, Optical Devices and Methods for Microwave/Millimeter-Wave and Frontier Applications, (2 October 1998); doi: 10.1117/12.323144
Show Author Affiliations
Antti V. Raisanen, Helsinki Univ. of Technology (Finland)
Taavi Hirvonen, Helsinki Univ. of Technology (Finland)
Juha Ala-Laurinaho, Helsinki Univ. of Technology (Finland)
Arto Lehto, Helsinki Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 3464:
Optical Devices and Methods for Microwave/Millimeter-Wave and Frontier Applications
Mario Nicola Armenise; Lev S. Sadovnik; Walter Pecorella; Lev S. Sadovnik, Editor(s)

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