A Novel Finite Element Method Based Beam Propagation Method without Using Slow Varying Envelope Approximation

Bing Yu; Han Xia; Zhun Xu; Xiao Ye Chen; Xian Han Sun; Jun Xiang Ge

doi:10.4028/www.scientific.net/AMM.529.660

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 529A Novel Finite Element Method Based Beam...

A Novel Finite Element Method Based Beam Propagation Method without Using Slow Varying Envelope Approximation

Abstract:

A novel finite element method (FEM) based wide-angle (WA) beam propagation method (BPM) was presented whereby the scalar Helmholtz equation was solved without using the slow varying envelope approximation (SVEA) and was more general and precise than the previous well-known WA-BPM proposed by Hadley. The accuracy of this novel scheme was demonstrated in comparison with the existing approach.

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Periodical:

Applied Mechanics and Materials (Volume 529)

Pages:

660-664

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.529.660

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Online since:

June 2014

Authors:

Bing Yu, Han Xia, Zhun Xu, Xiao Ye Chen, Xian Han Sun, Jun Xiang Ge

Keywords:

Beam Propagation Method (BPM), Directional Coupler, Finite Element Method (FEM), Padé Operator, Wide-Angle (WA)

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