All chirped fiber grating based true-time delay for phased-array antenna beam forming
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- Yang, J.L., Tjin, S.C. & Ngo, N.Q. Appl. Phys. B (2005) 80: 703. doi:10.1007/s00340-005-1771-z
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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.