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Electronics & Communications
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Remote Triggered Fiber Optic Communication Laboratory
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Fiber Optic Analog and Digital Link
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Fiber Optic Analog and Digital Link
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Introduction
Theory
Set Up
Procedure
Experiment
Animation
Quiz
Feedback
1)
The basic principle involved in light transmission through a fiber optic link is
Total internal reflection
Polarization
Diffraction
Refraction
2)
Light incident on fibers at angles ___________ the acceptance angle do not propagate into the fiber
Less than
greater than
equal to
none of them
3)
The refractive index of the core region is always __________ that of the cladding region.
Greater than
less than
equal to
none of the above
4)
Colour code of optical fiber is
Yellow = Multimode fiber; Orange= Single mode fiber
Orange = Multimode fiber; Yellow = Single mode fiber
Blue = Multimode fiber; Yellow = Single mode fiber
Green = Single mode fiber; Blue = Multimode fiber
5)
If the refractive index of the core varies gradually then it is known as
Step index fiber
Multimode fiber
Multi-core fiber
Graded index fiber
6)
In case of Intensity Modulation, the recovery of the modulating signal is carried out Statement 1: by direct detection; Statement 2: by heterodyning
Statement 1 is true and 2 is false
Statement 2 is true and 1 is false
Both statements are true
Both statements are false
7)
LEDs are used as light sources in
Single mode fibers only
Multimode fibers only
Both single mode and multimode fibers
none of the above
Cite this Simulator:
vlab.amrita.edu,. (2012). Fiber Optic Analog and Digital Link. Retrieved 3 May 2024, from vlab.amrita.edu/index.php?sub=59&brch=269&sim=1317&cnt=2783
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