Which one of the following is the major difference between single mode and multi mode fibers?(a) Core material(b) Cladding material(c) Core diameter(d) Cladding diameterI had been asked this question in an interview.I would like to ask this question from Data Bus Systems topic in section Avionics System Integration of Avionics

Which one of the following is the major difference between single mode

1.	Which one of the following is the major difference between single mode and multi mode fibers?(a) Core material(b) Cladding material(c) Core diameter(d) Cladding diameterI had been asked this question in an interview.I would like to ask this question from Data Bus Systems topic in section Avionics System Integration of Avionics
Answer» Correct answer is (C) Core DIAMETER To explain: The MAJOR difference between SINGLE mode fibre and multi-mode fibre is that the core diameter of single mode fibre is of the same order of MAGNITUDE as the wavelength of the light source (laser diode). Pulse dispersion is reduced in single mode fiber.

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