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- W2789839610 abstract "The inverse scattering problem for inhomogeneous media is considered within the topology optimization framework. Varying the complex-valued refractive index we derive a zero-order necessary optimality condition in minimizing the L2 misfit cost functional of the far-field measurement. The topology asymptotic expansion of the optimality condition leads to an imaging operator, which is used to identify the center of the unknown inhomogeneity using few far-field measurements. Numerical tests show high precision and stability in the reconstruction using our optimality condition based imaging both in two and three dimensions." @default.
- W2789839610 created "2018-03-29" @default.
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- W2789839610 date "2018-02-12" @default.
- W2789839610 modified "2023-10-02" @default.
- W2789839610 title "Topological optimality condition for the identification of the center of an inhomogeneity" @default.
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- W2789839610 doi "https://doi.org/10.1088/1361-6420/aaa997" @default.
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