Higher-order sensitivity analysis of periodic 3-D eigenvalue problems for electromagnetic field calculations

Jorkowski, Philipp; Schuhmann, Rolf

An algorithm to perform a higher-order sensitivity analysis for electromagnetic eigenvalue problems is presented. By computing the eigenvalue and eigenvector derivatives, the Brillouin Diagram for periodic structures can be calculated. The discrete model is described using the Finite Integration Technique (FIT) with periodic boundaries, and the sensitivity analysis is performed with respect to the phase shift φ between the periodic boundaries.

For validation, a reference solution is calculated by solving multiple eigenvalue problems (EVP). Furthermore, the eigenvalue derivatives are compared to reference values using finite difference (FD) formulas.

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Jorkowski, Philipp / Schuhmann, Rolf: Higher-order sensitivity analysis of periodic 3-D eigenvalue problems for electromagnetic field calculations. 2017. Copernicus Publications.

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Rechteinhaber: Philipp Jorkowski

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