Welcome to your Optical Communications Practice MCQ. Click NEXT to start
[Communications]
A 1-km long optical fiber in air is made of fiber core with an index of refraction of 1.52 and a cladding with an index of refraction of 1.49, determine the acceptance angle.
[Communications]
A fiber core is glass with n=1.5. Calculate the reflectivity (in percent) from air
[Communications]
What type of optical transmitter requires no cladding on the fiber?
[Communications]
What is the type of fiber, characterized by a core which has a completely uniform distribution of the index of refraction throughout its bulk?
[Communications]
What is the spreading of energy in time, which is caused by differing light wavelengths?
[Communications]
It is an optical network transmission standard that has an international connectivity
[Communications]
Which of the following colors of light rays has the shortest wavelength?
[Communications]
Which of the following is not a source of attenuation in a fiber-optic cable?
[Communications]
What are the rays which do not pass though the core axis, but follow a spiral path of reflecting segments down the fiber core?
[Communications]
The wavelength of red in the visible light spectrum is around ____
[Communications]
A non-coherent light source for optical communications system.
[Communications]
Which of the following is not an advantage of optical fiber?
[Communications]
The dielectric material of an optical fiber surrounding the core
[Communications]
Responsivity is a parameter of the _____, in fiber-optic system
[Communications]
Fiber optic cable operates near _____ frequencies.
[Communications]
An advantage of optic fiber rejecting an induced noise signals from magnetic field or solar storms flux.
[Communications]
The rays comprising a mode that all passes through the longitudinal, or z-axis of the fiber core, are called
[Communications]
What devices may be used as an optical fiber transmitter?
[Communications]
The index of refraction of the core in a fiber-optic cable is _____ the index of refraction of the cladding
[Communications]
._____ of the light detector increases the fall time.
Leave a Reply
You must be logged in to post a comment.