Photorefractive phased array beamforming with true-time-delay processing

• Published in: International Topical Meeting on Microwave Photonics. Technical Digest (including High Speed Photonics Components Workshop) (Cat. No.98EX181) pp. 103 - 106
• Main Authors: Kirulata, A., Silveira, P.E.X., Kriehn, G., Weaver, S., Wagner, K.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 1998
• Subjects: Adaptive arrays; Adaptive optics; Array signal processing; Delay lines; Holographic optical components; Optical arrays; Optical distortion; Optical feedback; Phased arrays; Photorefractive effect

We introduce a new optical approach to the problem of implementing true-time-delay (TDD) beamforming for a large N-element adaptive array that requires only 2 tapped delay lines (TDLs) instead of the conventional N TDLs. This new algorithm, BEAMTAP (Broadband and Efficient Adaptive Method for TTD Ar...