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Discover the Alker
splice pipe

Introducing the splice pipe range – an improved patented concept enclosure designed to solve the ongoing worldwide problem of damage to fibre optic splices.

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Alker products

Armoured assemblies

Bifurcated/ Trifurcated assemblies

PM Fibre Optic Cable and Patchcords

Deployable Fibre Optic Repair Kits

Deployable Fibre Optic Reels

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Projects delivered:
Repair & Support

Glossary Item:

Effective Numerical Aperture

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Description:

The real Numerical Aperture (NA) of a fiber when the computed NA is not valid because of change in the glass indices during drawing and fusion.