Question: Optical fibres use reflection to guide light through a channel. Current technology supports two modes for propagating light along optical channels, each requiring a fibre

Optical fibres use reflection to guide light through a channel. Current technology supports two modes for propagating light along optical channels, each requiring a fibre with different physical characterises. Critically discuss with the aid of diagrams, and necessary examples, the two propagating modes:

1. Single-mode

2. Multimode

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