Estimate RMS pulse broadening per km due to intermodal dispersion for – McqOptions

MCQOPTIONS

1.	Estimate RMS pulse broadening per km due to intermodal dispersion for multimode step index fiber where length of fiber is 4 km and pulse broadening per km is 80.6 ns?
A.	18.23ns/km
B.	20.15ns/km
C.	26.93ns/km
D.	10.23ns/km
Answer» C. 26.93ns/km

Discussion

No Comment Found

Related MCQs

Digital transmission is more likely to be affected by modal noise.
The modal noise can be reduced by __________
Disturbance along the fiber such as vibrations, discontinuities, connectors, splices, source/detectors coupling result in __________
The modal noise occurs when uncorrected source frequency is?
Practical pulse broadening value for graded index fiber lies in the range of __________
Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers.
The index profile of a core of multimode graded index fiber is given by?a) N (r) = n1 [1 – 2Δ(r2/a)2]1/2; r<ab) N (r) = n1 [3 – 2Δ(r2/a)2]1/2; r<ac) N (r) = n1 [5 – 2Δ(r2/a)2]1/2; r>ad) N (r) = n1 [1 – 2Δ(r2/
The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link.
Consider a single mode fiber having core refractive index n1= 1.5. The fiber length is 12m. Find the time taken by the axial ray to travel along the fiber.
After Total Internal Reflection the Meridional ray __________