Comparison of highly efficient absorbing boundary conditions for the beam propagation method

David Jiménez, Francesc Pérez-Murano

    Research output: Contribution to journalArticleResearchpeer-review

    4 Citations (Scopus)

    Abstract

    Numerical experiments using the paraxial finite-difference beam propagation method have been performed with the following boundary conditions: Perfectly matched layer, Higdon absorbing boundary conditions, complementary operators method, and extended complementary operators method. We have shown that Higdon operators must be modified for the paraxial wave equation to take into account the spectrum of incident rays on the boundaries of the computational domain. Reflection coefficients, accuracy, numerical dissipation/ gain, memory requirements, and time computation are compared and discussed for these absorbing techniques. © 2001 Optical Society of America.
    Original languageEnglish
    Pages (from-to)2015-2025
    JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
    Volume18
    Issue number8
    DOIs
    Publication statusPublished - 1 Jan 2001

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