0

15kviews

Calculate the numerical aperture (NA) & hence the acceptance angle for an optical fiber given that RIs of core & cladding are 1.45 & 1.40 respectively.

written 6.9 years ago by neeta.vanage • 870

modified 2.8 years ago by pedsangini276 • 4.8k

Subject: Applied Physics 2

Topic: Fiber Optics

Difficulty: Medium

engineering physics

ADD COMMENT FOLLOW SHARE EDIT

1 Answer

0

4.5kviews

written 6.8 years ago by neeta.vanage • 870

modified 6.8 years ago by saurabhsingh • 40

$ n_1 = 1.45 \ n_2 = 1.40\ NA=0.377 Sin i_m = NA\ ⸫ i_m = sin - ( NA) \ i_m = sin - ( 0.377)\ i_m = 22.19° \ $

ADD COMMENT SHARE EDIT