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Differentiate between step index and graded index fibre.
written 6.2 years ago by gravatar for vermavarsha432 vermavarsha432 • 1.0k modified 5.0 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
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written 6.1 years ago by gravatar for vermavarsha432 vermavarsha432 • 1.0k •   modified 6.1 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 …

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