Optical Communication - Study Mode
[#111] The modal noise occurs when uncorrected source frequency is?
Correct Answer
(A) $$delta f > > frac{1}{{delta T}}$$
[#112] An optical fiber has a core radius 2μm and a numerical aperture of 0.1. Will this fiber operate at single mode at 600 nm?
Correct Answer
(A) Yes
[#113] Skew rays follow a . . . . . . . .
Correct Answer
(C) Helical path
[#114] 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?
Correct Answer
(B) 7.69ns/km
[#115] The optical source used for detection of optical signal is . . . . . . . .
Correct Answer
(B) Photodiodes