Christian Huygens
Karpon and Bockham
Hondros and debye
Albert Einstein
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Answer is Wrong!
Detailed SolutionWho proposed the idea of transmission of light via dielectric waveguide structure?
Optical communication
2. The nonlinear effects in optical fibers are large.
TRUE
nan
nan
nan
Answer is Right!
Answer is Wrong!
Detailed SolutionThe nonlinear effects in optical fibers are large.
3. Polarization modal noise can . . . . . . . . the performance of communication system.
Degrade
Improve
Reduce
Attenuate
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Answer is Wrong!
4. A single-mode step-index fiber or multimode step-index fiber allows propagation of only one transverse electromagnetic wave.
TRUE
nan
nan
nan
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Answer is Wrong!
5. Stimulated Raman scattering may have an optical power threshold of may be three orders of magnitude . . . . . . . .
Lower than Brillouin threshold
Higher than Brillouin threshold
Same as Brillouin threshold
Higher than Rayleigh threshold
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Answer is Wrong!
6. What is the numerical aperture of the fiber if the angle of acceptance is 16 degree?
0.5
0.36
0.2
0.27
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Answer is Wrong!
7. . . . . . . . . results from a case of nonlinear dispersion compensation in which the nonlinear dispersion compensation in which the nonlinear chirp caused by self-phase modulation balances, postpones, the temporal broadening induced by group velocity delay.
Four wave mixing
Phase modulation
Soliton propagation
Raman scattering
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Answer is Wrong!
8. Which is the unit of measurement of attenuation in optical fibers?
km
dB
dB/km
Coulomb's
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Answer is Wrong!
Detailed SolutionWhich is the unit of measurement of attenuation in optical fibers?
9. Which thing is more dominant in making a fiber function as a bidirectional optical amplifier?
Core material
Pump source
Cladding material
Diameter of fiber
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Answer is Wrong!
10. Optical fibers suffer radiation losses at bends or curves on their paths.
TRUE
nan
nan
nan
Answer is Right!
Answer is Wrong!
Detailed SolutionOptical fibers suffer radiation losses at bends or curves on their paths.