, Volume 80, Issue 6, pp 703-706
Date: 17 Mar 2005

All chirped fiber grating based true-time delay for phased-array antenna beam forming

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We have demonstrated a continuous phased-array antenna beam former based on a variable photonics true-timedelay unit consisting of four chirped gratings. The system is suitable for the phased-array antenna beam forming at frequencies up to 20 GHz.