Multimode graded index fibers have overall buffer jackets same as multimode step index fibers but have core diameters

Related MCQs

• Multimode graded index fibers with wavelength of 0.85μm have numerical aperture of 0.29 have core/cladding diameter of
• Graded index fibers produced by liquid-phase melting technique are less dispersive than step-index fibers. State whether the given statement is true or false.
• The index profile of a core of multimode graded index fiber is given by-
• A 4 km optical link consists of multimode step index fiber with core refractive index of 1.3 and a relative refractive index difference of 1%. Find the delay difference between the slowest and fastest modes at the fiber output.
• A multimode step-index fiber has a core refractive index of 1.5 and relative refractive index difference of 1%. The length of the optical link is 6 km. Estimate the RMS pulse broadening due to intermodal dispersion on the link.
• Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers. State whether the given statement is true or false.
• Average insertion losses as low as _________ have been obtained with multimode graded index and single-mode fibers using ceramic capillaries.
• Multimode graded index fibers are manufactured from materials with
• The performance characteristics of multimode graded index fibers are
• Multimode graded index fibers use incoherent source only. State whether the following statement is true or false.