Derivation of the Ray Equation from Snell’s Law
The one-dimensional ray equation, the differential description of Fermat’s principle, is deduced directly from Snell’s law using two methods. In the first method, we obtain the ray equation from a differential equation relating the spatial coordinates derivative with the index of refraction field. I...
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| Principais autores: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
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MDPI AG
2025-07-01
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| Serier: | Physics |
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| Online adgang: | https://www.mdpi.com/2624-8174/7/3/26 |
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