Optical and Quantum Electronics

, Volume 30, Issue 11–12, pp 1033–1050 | Cite as

Practical optical beamforming networks

  • M. Y. Frankel
  • P. J. Matthews
  • R. D. Esman
  • L. Goldberg


A review of optical beamforming techniques is presented. The techniques are subdivided into two broad categories. First, several representative implementations of narrow band, phase-only techniques are summarized. A detailed description of a narrow band architecture realized in our laboratory is presented. The architecture is based on coherent heterodyning of two narrow linewidth Nd:YAG lasers, with a controlled angular beam offset to generate the required microwave phase progression. Second, several representative wideband, true time delay architectures are briefly described. A description of a 'dispersive-prism' based true time-delay technique developed in our laboratory is presented. The results show multi-octave one-dimensional transmit and receive true time-delay beamformer operation, as well as two-dimensional transmit beamformer operation.


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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • M. Y. Frankel
    • 1
  • P. J. Matthews
    • 1
  • R. D. Esman
    • 1
  • L. Goldberg
    • 1
  1. 1.Optical Sciences DivisionNaval Research LaboratoryWashington,DCUSA

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