Ask
Login
0
13kviews
Derive the formula for numerical aperture of step index fibre and give its physical significance. The N.A. of an optical fibre is 0.5 and core refractive index is 1.54.
written 5.3 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000 modified 4.1 years ago by gravatar for sanketshingote sanketshingote • 100

Find the refractive index of cladding.
advanced engineering physics
ADD COMMENT EDIT
1 Answer
0
1.2kviews
written 5.2 years ago by gravatar for vermavarsha432 vermavarsha432 • 1000

Numerical Aperture is the ability of fiber to collect the light from the source and save the light inside it by maintaining the condition of total internal reflection.

Consider a light ray entering from a medium of refractive index n0 into the fiber with a core of refractive index n1 …

Create a free account to keep reading this post.

and 5 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.