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THz Multi-Layer Imaging via Nonlinear Inverse Scattering | IEEE Conference Publication | IEEE Xplore

THz Multi-Layer Imaging via Nonlinear Inverse Scattering


Abstract:

In this paper, we address the problem of mitigating nonlinear shadow effects in Terahertz time-domain spectroscopy (THz-TDS) multi-layer imaging. To that end, we utilize ...Show More

Abstract:

In this paper, we address the problem of mitigating nonlinear shadow effects in Terahertz time-domain spectroscopy (THz-TDS) multi-layer imaging. To that end, we utilize a one-dimensional (1D) nonlinear model to capture the interaction between the dielectric permittivity profile and the THz wavefield and recover the multi-layer structure by solving a 1D nonlinear inverse scattering via iterative and sequential optimization over frequencies. Numerical results confirm the effectiveness of the proposed method.
Date of Conference: 01-06 September 2019
Date Added to IEEE Xplore: 21 October 2019
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Conference Location: Paris, France

References

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