Multibeam optical transmit/receive beamformer using ternary programmable wavelength-division multiplexing technology

Azad Siahmakoun; Sergio C. Granieri; Mark Jaeger; Youzhi Li

doi:10.1117/1.2061407

1 October 2005 Multibeam optical transmit/receive beamformer using ternary programmable wavelength-division multiplexing technology

Azad Siahmakoun, Sergio C. Granieri, Mark Jaeger, Youzhi Li

Author Affiliations +

Optical Engineering, Vol. 44, Issue 10, 105002 (October 2005). https://doi.org/10.1117/1.2061407

Abstract

An optical beamformer capable of controlling a phased array antenna in receive/transmit mode for multiple simultaneous independent rf beams is proposed. The processor can be programmed to sweep the antenna aperture following an independent angular sequence for each rf beam. A two-beam two-channel version of the beamformer has been experimentally demonstrated. The optical beamformer processes two rf beams and it is based on a ternary array of three delay lines. Measurements are performed for both receive and transmit modes and for rf signals between 0.5 and 1.5 GHz. We present beampattern results showing that two independent beams can be steered simultaneously. In the transmit mode both rf beams are characterized for a broadside target position. In the receive mode the beamformer performance is characterized by detecting two rf beams independently.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Azad Siahmakoun, Sergio C. Granieri, Mark Jaeger, and Youzhi Li "Multibeam optical transmit/receive beamformer using ternary programmable wavelength-division multiplexing technology," Optical Engineering 44(10), 105002 (1 October 2005). https://doi.org/10.1117/1.2061407

Published: 1 October 2005

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