Essays & Theses

Optical Fibres

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Optical Fibres Optical Fibres When a wave crosses a boundary between two media, it may be either refracted or totally internally reflected (TIR). Optical Fibres If: then TIR can occur. This can only happen when a wave travels from a higher to a lower refractive index: Optical Fibres This means that a ray of light can be confined within one material, provided any angle of incidence is always greater than the critical angle. Optical Fibres Optical fibres are designed to do just this; they
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     Optical Fibres When a wave crosses a boundary betweentwo media, it may be either refracted ortotally internally reflected (TIR).  If:  Optical Fibres  This can only happen when a wave travels from a higher to a lower refractive index:
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