Analytical formulation for acousto-electromagnetic interaction in buried landmine detection

Daniel E. Lawrence; Kamal Sarabandi

doi:10.1117/12.445517

18 October 2001 Analytical formulation for acousto-electromagnetic interaction in buried landmine detection

Daniel E. Lawrence, Kamal Sarabandi

Proceedings Volume 4394, Detection and Remediation Technologies for Mines and Minelike Targets VI; (2001) https://doi.org/10.1117/12.445517
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Calculation of the electromagnetic scattering form a buried object, such as a landmine, under acoustic vibration requires a scattering solution for an object beneath an interface with acoustically-induced surface roughness. An analytical solution is presented for the electromagnetic scattering from a dielectric circular cylinder embedded in a dielectric half-space with a slightly rough interface. The solution utilizes the spectral representation of the fields and accounts for all the multiple interactions between the rough interface and the buried cylinder. First order coefficients from the small perturbation method are used for computation of the scattered fields from the rough surface. The derivation includes both TM and TE polarizations and can be easily extended for other cylindrical buried objects. Scattering scenarios are examined utilizing the new solution for a dielectric cylinder beneath both flat and arbitrary surface profiles.

Citation Download Citation

Daniel E. Lawrence and Kamal Sarabandi "Analytical formulation for acousto-electromagnetic interaction in buried landmine detection", Proc. SPIE 4394, Detection and Remediation Technologies for Mines and Minelike Targets VI, (18 October 2001); https://doi.org/10.1117/12.445517

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KEYWORDS

Scattering

Dielectrics

Interfaces

Scanning probe microscopy

Land mines

Reflection

Electromagnetic scattering

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