WorksheetsOptical Fiber Communication - Basics
Total questions: 10
Worksheet time: 5mins
If a light travels in a certain medium and it gets reflected off an optically denser medium with high refractive index, then it is regarded as _______
External Reflection
Internal Reflection
Refraction
Both a and b
In an optical fiber, the concept of Numerical aperture is applicable in describing the ability of __________
Light Collection
Light Scattering
Light Dispersion
Light Polarization
Optical fibers for communication use are mostly fabricated from
Plastic
Silica or multicomponent glass
Ceramics
Copper
It is not important to cover the optical fibers required for transmission. State whether the given statement is true or false.
YES
No
A silica optical fiber with a large core diameter has a core refractive index of 1.5 and a Cladding refractive index of 1.47. Determine the acceptance angle in air for the fiber.
(a)
A silica optical fiber with core diameter large enough to be considered by Ray theory has a core refractive index of 1.5 and cladding refractive index of 1.47.Determine numerical aperture.
(a)
calculate the cut off wavelength of a single mode fibre with core radius of 4 m and index difference= 0.003
(a)
The V number of a fiber is 4. then the fiber is
Single mode
Multimode
The wavelength region used in second window
800 to 900 nm
1100 to 1350nm
1500 to 1650nm
1200 nm to 1400 nm
The significance of fourth generation optical communication system is
Optical amplifier
Optical source
Optical coupler
splicers
