Acousto-optic null steering adaptive photonic processor architecture for phased arrays

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Riza, Nabeel A.
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Society of Photo-Optical Instrumentation Engineers (SPIE)
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Two novel all-optical acousto-optic processor designs are introduced for antenna null steering applications. Both designs use an acousto-optic point modulator and a multi- channel acousto-optic deflector in a unique in-line arrangement to form a write/read two color system. One processor is a forward light flow optical design, while the other is a reversible light flow optical architecture. A write-only acousto-optic multichannel correlator processor design is also introduced using a counter-propagating signal correlator design. This processor also uses a time integrating detector such as a two dimensional charge coupled device or a high dynamic range photorefractive crystal for bias free correlation signal detection.
Acousto-optic processor , Null steering , Adaptive , Phased array antennas
Riza, N. A. (1996) 'Acousto-optic Null Steering Adaptive Photonic Processor Architecture for Phased Arrays', Proceedings of SPIE, 2754, Advances in Optical Information Processing VII; (1996),Aerospace/Defense Sensing and Controls Orlando, Florida, USA, pp. 95-102. doi: 10.1117/12.243117
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