Reduction of Fresnel reflection is possible by reducing the step change in the refractive index at the fiber interface. What material reduces the step change in refractive index at a fiber interface?

Reduction of Fresnel reflection is possible by reducing the  step change in the refractive index at the fiber interface. What  material reduces the step change in refractive index at a fiber  interface?
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1 Answer

Answer :

Index matching gel.
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