Multi-mode optical fiber
OverviewTypesApplicationsComparison with single-mode fiberEncircled fluxExternal links
Multi-mode fibers are described by their core and cladding diameters. Thus, 62.5/125 μm multi-mode fiber has a core size of 62.5 micrometres (μm) and a cladding diameter of 125 μm. The transition between the core and cladding can be sharp, which is called a step-index profile, or a gradual transition, which is called a graded-index profile. The two types have different dispersion characteristics and thus different effective propagation distances. Multi-mode fibers may be constructed with either graded or step-index profile
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