What is total internal reflection
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What is Total Internal Reflection?. Focus 4. Total Internal Reflection. Using total internal reflection: fibre optics. Light rays enter the centre core – a high refractive index

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Using total internal reflection fibre optics
Using total internal reflection: fibre optics

  • Light rays enter the centre core – a high refractive index

  • They are reflected at the interface between the core and the cladding because the cladding has a lower refractive index – total internal reflection has occurred.


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