WorksheetsOptical Fiber
Total questions: 6
Worksheet time: 6mins
An optical fiber has a N.A. of 0.20 and refractive index of the cladding is 1.59.Determine the acceptance angle for the fiber in water which has a refractive index of 1.33.
8.60
8.40
90
8.90
Which of the following has more distortion?
Single mode step index fibre
Graded index fibre
Multimode step index fibre
Glass fibre
Which of the following has more distortion?
Single mode step index fibre
Graded index fibre
Multimode step index fibre
Glass fibre
How does refractive index vary in graded index fibre?
Tangentially
Radially
Longitudinally
Transversely
Which component provides additional strength and prevents the fibre from any damage.
Core
Cladding
Buffer coating
None of these
Can light propagate through a fibre at an angle of incidence at the entrance end greater than acceptance angle?
No
Yes
