Decomposition of guided waves into spherical representations and near-field effects on target scattering

Michael F. Werby; Guy V. Norton; Elmer White

doi:10.1117/12.160609

15 October 1993 Decomposition of guided waves into spherical representations and near-field effects on target scattering

Michael F. Werby, Guy V. Norton, Elmer White

Author Affiliations +

Proceedings Volume 1960, Automatic Object Recognition III; (1993) https://doi.org/10.1117/12.160609
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

We wish to develop a scheme that will enable us to predict the near field that results from the interaction of a submerged object with a guided wave for a general object in a general waveguide. The method will be based on the extended boundary condition (EBC) method (T- matrix) of Waterman and a new normal mode method that allows one to decompose the normal-mode solutions into a spherical representation suitable for operating on the spherical tensors that arise from the T-matrix method. Of particular importance is the fact that the resulting formulation allows one to couple the resulting near-field solution to an outgoing normal-mode series that leads to the general waveguide solution.

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Michael F. Werby, Guy V. Norton, and Elmer White "Decomposition of guided waves into spherical representations and near-field effects on target scattering", Proc. SPIE 1960, Automatic Object Recognition III, (15 October 1993); https://doi.org/10.1117/12.160609

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