Fiber services

Broad spectrum of customer-specific fiber services

j-fiber offers the opportunity to manufacture fiber sets modified to suit your cable order and therefore to ensure direct downstream processing. Coloring and buffering is also possible as a service.

In addition, j-fiber can also draw on comprehensive measuring equipment for the testing and qualification of preforms and fibers to international standards.

Your advantages at a glance

  • Coloring, buffering, ring marking
  • Testing services for fibers and preforms
  • Jacketing and glassblowing work for preforms
  • Environmental testing for fibers

Range of products and services

  • Fiber sets
    • Precise fiber lengths for your cable order
    • Fibers are pre-sorted for your buffered fiber assembly according to the colors required
    • Packaging and reeling as required with your designated article/commissioning numbers
  • Colored fibers
    • As per IEC 60304 (sequence according to VDE 0888-3) or ITU
    • Up to 16 colors possible
  • Ring marking
  • Various buffer materials for different diameters
  • Measurement of all relevant parameters for standard multimode and standard singlemode fibers using standardized measurement procedures (IEC 60793-1) plus environmental tests
  • Customer-specific measurements on preforms (e.g. refractive index profile) and fiber samples, such as optical inspection of the fiber ends or multi-wavelength OTDR



Please contact us for further information. We look forward to your inquiry.

Phone +49 3641-352-100

Contact form

j-FiberUnit Series

j-FiberUnit Series

Customized j-fiber MMF or SMF Multi-fiber Units


Normative References

Normative References

Measurement methods