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Proceedings Paper

The Use Of Optical Techniques For Beamforming In Phased Arrays
Author(s): P. G. Sheehan; J. R. Forrest
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Paper Abstract

The use of optical fibres as delay lines configured to act as a beamformer for a phased array is described. Such a beamformer operates at intermediate frequency or low microwave frequency. The relationship between operating frequency and phase accuracy in the beam-former is discussed. A detailed expression for critical system parameters of the beam-former is derived and verified with a simple experimental model operating at 120 MHz. The construction of the nodes in the beamforming network is identified as a critical feature in design on which effort needs to be concentrated.

Paper Details

Date Published: 1 November 1987
PDF: 8 pages
Proc. SPIE 0477, Optical Technology for Microwave Applications I, (1 November 1987); doi: 10.1117/12.942617
Show Author Affiliations
P. G. Sheehan, University College London (United Kingdom)
J. R. Forrest, University College London (United Kingdom)

Published in SPIE Proceedings Vol. 0477:
Optical Technology for Microwave Applications I
Shi-Kay Yao, Editor(s)

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