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Core diameters for fiber optic cables.

Document: 10119

Category: General Information

Date Posted: 09/25/12


What are the common core diameters for fiber optic cables?


The following glass fiber sizes have achieved widespread acceptance:

  • Single-Mode
    (Typically 5-10 micron core)
  • 50/125 Micron
    (Core/Cladding) Graded-Index - Multimode
  • 62.5/125 Micron
    (Core/Cladding) Graded-Index - Multimode

1 Micron = 1 Micrometer = 1 Millionth of a Meter [Micrometers x .000039 = Inches]

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