Question

For multimode step-index fiber with core index of 1.68 and radius of 35 um. The index
difference is 3.75%. For a wavelength of 1150 nm, the optical power propagating in
cladding is what percentage of total power?
(a) 2.1%
(b) 2.5%
(c) 1.8%
(d) 1.4%​

Answer 1

Answer:

not understand question can u repete

Answer 2

Answer:

1.4

by using formula that i got the above answer so i kept it as answer