Consider the design of an optical fibre . The fibre has a core refractive index of 1. The radius a and the relative refractive index difference amp;...

This question is about optical communication systems.

Consider the design of an optical fibre .The fibre has a core refractive index of 1. 47 .The radius a and the relative refractive index difference & are to be selected tomake this a single mode fibre .( 1) Sketch the design characteristic of the refractive index difference & Versuscare radius for the fibre representing the conditions for single madepropagation at a wavelength of 1. 3 um _( 1 ) Determine whether this fibre remains single - made at a transmissionwavelength of' O.S' um when it's core radius is 4.` Hill .