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Continuously variable true time delay optical feeder for phased array antenna employing chirped fiber gratings

Corral, J.L., Martí, J., Santos, A., Fuster, J.M., Capmany, J., Pastor, D., Cole, M.J. and Laming, R.I. (1997) Continuously variable true time delay optical feeder for phased array antenna employing chirped fiber gratings IEEE Transactions on Microwave Theory and Techniques, 45, (8), pp. 1531-1536. (doi:10.1109/22.618471).

Record type: Article

Abstract

In this paper we propose and demonstrate a novel approach of true-time delay (TTD) optical feeder for phased-array antennas. A continuously variable TTD is achieved by employing tunable lasers and a wide bandwidth chirped fiber grating as dispersive element. The results show that a very high resolution performance (equivalent to a 6 bit microwave phase shifter) is obtained for a L-band phased-array antenna employing narrow tuning bandwidth lasers with a wavelength stability of 0.005 nm and a 4 nm bandwidth chirped grating with dispersion 835 ps/nm.

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Published date: August 1997
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78006
URI: http://eprints.soton.ac.uk/id/eprint/78006
ISSN: 0018-9480
PURE UUID: c374584a-2c66-48b9-974d-1c5505c74628

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:28

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Contributors

Author: J.L. Corral
Author: J. Martí
Author: A. Santos
Author: J.M. Fuster
Author: J. Capmany
Author: D. Pastor
Author: M.J. Cole
Author: R.I. Laming

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