Ask
Login
1
11kviews
Differentiate between step index and graded index fibre.
written 6.9 years ago by gravatar for vermavarsha432 vermavarsha432 • 1.0k modified 5.6 years ago by gravatar for sanketshingote sanketshingote • 100

An optical fibre has a numerical aperture of 0.20 and a refractive index of cladding is 1.59. Determine the core refractive index and acceptance angle for the fibre in water which has a refractive index 1.33.
advanced engineering physics
ADD COMMENT EDIT
1 Answer
0
145views
written 6.8 years ago by gravatar for vermavarsha432 vermavarsha432 • 1.0k •   modified 6.7 years ago

STEP INDEX FIBRE

1-The refractive index of the core of step index fibre is constant throughtout the core.

2- Step index fibre is of two types viz; mono mode fibre and multi mode fibre.

3-The light rays propagate in zig-zag manner inside the core.

4- The ray cross the fibre …

Create a free account to keep reading this post.

and 2 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.