True time delay scheme for feeding optically controlled phased array antennas using chirped fibre gratings
Corral, J.L., Martí, J., Fuster, J.M. and Laming, R.I. (1997) True time delay scheme for feeding optically controlled phased array antennas using chirped fibre gratings. IEEE Photonics Technology Letters, 9, (11), 1529-1531. (doi:10.1109/68.634731).
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A novel approach of true-time delay (TTD) optical feeder for phased-array antennas is proposed and demonstrated. A compact size continuously variable TTD is achieved by employing tunable lasers and one wide bandwidth chirped-fiber grating as dispersive element. A high-resolution performance (5.3 ps) is obtained for a 26-GHz phased-array antenna employing narrow tuning bandwidth lasers with a wavelength stability of 0.005 nm and a 4 nm bandwidth chirped grating
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||06 Aug 2015 02:58|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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