whe the umerical aperture of the fib t taken into account; and ( ) 0.172; (b) 0.17I

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2.7. The relative refractive index difference between the core axis and the cladding of
a graded index fiber is 0.7% when the refractive index at the core axis is 1.45.
Estimate values for the numerical aperture of the fiber when:
(a) the index profile is not taken into account; and (b) the index profile is assumed to
be triangular.
Ans. (a) 0.172; (b) 0.171
Transcribed Image Text:2.7. The relative refractive index difference between the core axis and the cladding of a graded index fiber is 0.7% when the refractive index at the core axis is 1.45. Estimate values for the numerical aperture of the fiber when: (a) the index profile is not taken into account; and (b) the index profile is assumed to be triangular. Ans. (a) 0.172; (b) 0.171
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