Transparent boundary condition for beam propagation
A new boundary condition algorithm is presented that passes outgoing radiation freely with a minimum reflection coefficient (typically 10(-5)) while inhibiting the flux of incoming radiation. In contrast to the commonly used absorber method, this algorithm contains no adjustable parameters and is th...
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| Published in | Optics letters Vol. 16; no. 9; p. 624 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
United States
01.05.1991
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| Online Access | Get more information |
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| Summary: | A new boundary condition algorithm is presented that passes outgoing radiation freely with a minimum reflection coefficient (typically 10(-5)) while inhibiting the flux of incoming radiation. In contrast to the commonly used absorber method, this algorithm contains no adjustable parameters and is thus problem independent. It adapts naturally to a standard Crank-Nicholson difference scheme and is shown to be accurate and robust for both two-and three-dimensional problems. |
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| ISSN: | 0146-9592 |
| DOI: | 10.1364/ol.16.000624 |