Tuesday, 10 October 2017

Expression for the refractive index in graded index fibers :

                          n(r)=n1[1-2(r/a)α]1/for0<=r<=a

n1(1-2∆)1/~n1(1-∆)=n2forr>=a

                                                r - radial distancfrom fibeaxis corradius
n1 - refractivindex at the core
n2 - refractivindex at the cladding
α   - shape othe indeprofile
∆  - index difference

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