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, 45, (8), 1531-1536. (doi:10.1109/22.618471 ).

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Description/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.

Item Type: Article
ISSNs: 0018-9480
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78006
Date Deposited: 11 Mar 2010
Last Modified: 26 Sep 2014 10:24
URI: http://eprints.soton.ac.uk/id/eprint/78006

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