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Single mode fibers allow single mode propagation; the cladding diameter must be at least ___________

Single mode fibers allow single mode propagation; the cladding diameter must be at least ___________ Correct Answer Ten times the core diameter

The cladding diameter in single mode fiber must be ten times the core diameter. Larger ratios contribute to accurate propagation of light. These dimension ratios must be there so as to avoid losses from the vanishing fields.

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