# Optimal Design of Periodic Diffractive Structures

Optimal Design of Periodic Diffractive Structures The problem of designing a periodic interface between two different materials, which gives rise to a specified far-field diffraction pattern for a given incoming plane wave, is considered. The time harmonic waves are assumed to be TM (transverse magnetic) polarized. The diffraction problem is modeled by a generalized Helmholtz equation with transparent boundary conditions. In this paper the design problem is relaxed to include highly oscillatory profiles. Existence of an optimal design is established. The principal method is based on the theory of homogenization for the model equation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Mathematics and Optimization Springer Journals

# Optimal Design of Periodic Diffractive Structures

, Volume 43 (2) – Jan 1, 2001
14 pages
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Publisher
Springer-Verlag
Copyright
Copyright © Inc. by 2000 Springer-Verlag New York
Subject
Mathematics; Calculus of Variations and Optimal Control; Optimization; Systems Theory, Control; Theoretical, Mathematical and Computational Physics; Mathematical Methods in Physics; Numerical and Computational Physics, Simulation
ISSN
0095-4616
eISSN
1432-0606
D.O.I.
10.1007/s00245-001-0004-z
Publisher site
See Article on Publisher Site

### Abstract

The problem of designing a periodic interface between two different materials, which gives rise to a specified far-field diffraction pattern for a given incoming plane wave, is considered. The time harmonic waves are assumed to be TM (transverse magnetic) polarized. The diffraction problem is modeled by a generalized Helmholtz equation with transparent boundary conditions. In this paper the design problem is relaxed to include highly oscillatory profiles. Existence of an optimal design is established. The principal method is based on the theory of homogenization for the model equation.

### Journal

Applied Mathematics and OptimizationSpringer Journals

Published: Jan 1, 2001

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