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Conjugate gradient method applied to inverse scattering problem
A new reconstruction algorithm for diffraction tomography is presented. The algorithm is based on the minimization of a functional which is defined as the norm of the discrepancy between the measuredExpand
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A Floquet-Bloch Decomposition of Maxwell's Equations Applied to Homogenization
TLDR
Using Bloch waves to represent the full solution of Maxwell's equations in periodic media, we study the limit where the material's period becomes much smaller than the wavelength. Expand
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On Frechet differentiability of some nonlinear operators occurring in inverse problems: an implicit function theorem approach
The validity of Newton-Kantorovich methods for the computational solution of inverse problems is directly linked to the Frechet differentiability of the appropriate nonlinear operator. The authorsExpand
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Propagation of transient electromagnetic waves in time-varying media - Direct and inverse scattering problems
Wave propagation of transient electromagnetic waves in time-varying media is considered. The medium, which is assumed to be inhomogeneous and dispersive, lacks invariance under time translations. TheExpand
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Surface currents on perfectly conducting elliptic cylinders
Accurate numerical calculation of the surface current density on a perfectly conducting elliptic cylinder irradiated by an electrically or magnetically polarized plane wave is presented. The onlyExpand
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ON INVERSE SOURCE PROBLEMS FOR THE ONE-WAY WAVE EQUATION
Abstract Inverse problems are considered for the linear one-way wave equation or transport equation. The equation is one-dimensional and nonstationary, that is, it has spatial and time-dependent waveExpand
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Transient waves in non-stationary media
This paper treats propagation of transient waves in non-stationary media, which has many applications in e.g. electromagnetics and acoustics. The underlying hyperbolic equation is a general,Expand
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Direct and inverse scattering for transient electromagnetic waves in nonlinear media
Nonlinear propagation of electromagnetic waves is an important problem in optics. Often the properties of the nonlinear media are not fully understood. The solution of an inverse problem can provideExpand
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Transient waves in nonstationary media
This paper treats propagation of transient waves in nonstationary media, which has many applications in, for example, electromagnetics and acoustics. The underlying hyperbolic equation is a general,Expand
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