The global properties of modal ray fields and the local properties of source-excited ray fields are discussed within the context of propagation in optical fibres. The importance of bounded beams is stressed for unambiguous determination of local energy transport, reflection, refraction and tunnelling.
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Felsen, L.B. Rays, modes and beams in optical fibre waveguides. Opt Quant Electron 9, 189–195 (1977). https://doi.org/10.1007/BF00619729
- Communication Network
- Optical Fibre
- Local Property