Dispersion in optical fiber
Assessment
•
noor awang
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Physics
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University
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28 plays
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Medium
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11 questions
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1.
Multiple Choice
What is dispersion in optical fiber communication?
Compression of light pulses
Broadening of transmitted light pulses along the channel
Overlapping of light pulses on compression
Absorption of light pulses
2.
Multiple Choice
For no overlapping of light pulses down on an optical fiber link, the digital bit rate BT must be:
Less than the reciprocal of broadened pulse duration
More than the reciprocal of broadened pulse duration
Same as that of than the reciprocal of broadened pulse duration
Negligible
3.
Multiple Choice
The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ. State whether the given statement is true or false.
True
False
4.
Multiple Choice
3dB optical bandwidth is always ___________ the 3dB electrical bandwidth.
Smaller than
Larger than
Negligible than
Equal to
5.
Multiple Choice
What is pulse dispersion per unit length if for a graded index fiber, 0.1μs pulse broadening is seen over a distance of 13 km?
6.12ns/km
7.69ns/km
10.29ns/km
8.23ns/km
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