In a graded-index fiber, the refractive index profile of the fiber core is best described by which of the following statements?
A. It is uniform over the fiber core
B. It linearly decreases from a maximum at the fiber center to a minimum at the core-cladding boundary
C. It is parabolic with a maximum index of refraction at the center and a minimum index of refraction at the core-cladding boundary
D. It linearly increases from a minimum at the fiber center to a maximum at the core cladding boundary
Show Answer
Answer: C
Share your understanding of this question with the correct explanation.