[Faculty] [CSRC.COLLOQUIUM] "A High-Order Perturbation of Surfaces Method for Electromagnetic Scattering by Periodic Multiply Layered Gratings"

[Jose Castillo]

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DATE:  *Friday, September 14, 2018*




TITLE:


*A **High-Order Perturbation of Surfaces Method for Electromagnetic
Scattering by Periodic Multiply Layered Gratings*




TIME:  *3:30PM*



LOCATION:  *GMCS 314*



SPEAKER/BIO:

*Youngjoon Hong, **Assistant Professor, *
*Department of Mathematics and Statistics, SDSU*





ABSTRACT:

The accurate simulation of scattering of electromagnetic waves in three
dimensions by a diffraction grating is crucial in many applications of
engineering and scientific interest. In this contribution we present a
novel High-Order Perturbation of Surfaces method for the numerical
approximation of vector electromagnetic scattering by a periodic layered
medium. For this we apply the method of Transformed Field Expansions which
delivers a Fourier collocation, Legendre-Galerkin, Boundary Perturbation
approach to solve the problem in transformed coordinates. A sequence of
numerical simulations demonstrate the efficient and robust spectral
convergence which can be achieved with the proposed algorithm.
  HOST:  Jose Castillo

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