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| Beam Propagation Method× | Finite-Difference Time-Domain× | |
|---|---|---|
| Fagområde | Optik | Optik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1978 | 1966 |
| Ophavsperson≠ | Michael Feit and John Fleck | Kane Yee |
| Type≠ | Paraxial propagation algorithm | Finite-difference algorithm |
| Oprindelig kilde≠ | Feit, M. D., & Fleck, J. A. (1978). Light propagation in graded-index optical fibers. Applied Optics, 17(24), 3990-3998. DOI ↗ | Yee, K. S. (1966). Numerical solution of initial boundary value problems involving Maxwell's equations in isotropic media. IEEE Transactions on Antennas and Propagation, 14(3), 302-307. DOI ↗ |
| Aliasser | BPM, paraxial approximation method | FDTD, Yee scheme |
| Relaterede | 3 | 3 |
| Resumé≠ | The Beam Propagation Method is a computational technique for simulating the propagation of optical beams through slowly varying, weakly guiding structures. Developed by Feit and Fleck in 1978, BPM exploits the paraxial approximation to reduce the full vector wave equation to a scalar or vector envelope equation, enabling efficient simulation of waveguides, integrated optics, and photonic devices. | The Finite-Difference Time-Domain method is a computational technique for solving Maxwell's equations by discretizing space and time on a grid. Introduced by Kane Yee in 1966, FDTD is a foundational approach in computational electrodynamics and optical simulation, enabling direct modeling of electromagnetic wave propagation through complex media. |
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