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Finite element approach for the modal analysis of open-boundary waveguides

Hernandez-Figueroa, HE; Fernandez, FA; Davies, JB; (1994) Finite element approach for the modal analysis of open-boundary waveguides. Electronics Letters , 30 (24) 2031 - 2032. 10.1049/el:19941412.

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Abstract

A general finite element approach to computing the modes of open-boundary waveguides is presented. This efficient and robust scheme applies equally to situations with real and complex propagation constants. By using a localised boundary impedance condition, the approach preserves the sparsity of the global matrices. A comparison with the well established infinite element technique and the analysis of a 2-D leaky optical structure are given as examples.

Type:Article
Title:Finite element approach for the modal analysis of open-boundary waveguides
DOI:10.1049/el:19941412
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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