Q.

A fiber which is referred as non- dispersive shifted fiber is?

A. coaxial cables
B. standard single mode fibers
C. standard multimode fibers
D. non zero dispersion shifted fibers
Answer» B. standard single mode fibers
Explanation: a standard single mode fiber having step index profile is known as non- dispersion shifted fiber. as these fibers have a zero dispersion wavelength of 1.31μm and so are preferred for single-wavelength transmission in o-band.
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