Fiber diameter

Fiber diameter is expressed as core diameter/cladding diameter, in μm. For example, 9/125 μm means that the fiber core diameter is 9 μm and the fiber cladding diameter is 125 μm.

For the HPE devices, the following fiber diameters are recommended:

  • G.652 standard single-mode fiber: 9/125 μm

  • G.655 non zero dispersion shifted single-mode fiber: 9/125 μm

  • G.651 standard multimode fiber: 50/125 μm or 62.5/125 μm