Optimal shape design for a layered periodic structure

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Title: Optimal shape design for a layered periodic structure
Author: Flanagan, Michael Brady
Abstract: A multi -layered periodic structure is investigated for optimal shape design in diffraction gratings . A periodic dielectric material is used as the scattering profile for a planar incident wave . Designing optimal profiles for scattering is a type of inverse problem . The ability to fabricate such materials on the order of the wavelength of the incoming light is key for design strategies . We compute a finite element approximation on a variational setup of the forward problem . On the inverse and optimal design problem , we discuss the stability of the designs and develop computational strategies based on a level -set evolutionary approach .
URI: http : / /hdl .handle .net /1969 .1 /382
Date: 2004-09-30

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Optimal shape design for a layered periodic structure. Available electronically from http : / /hdl .handle .net /1969 .1 /382 .

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