Optical return loss (or back reflection) of a connection is the amount of light that is reflected back up the fiber toward the source by light reflections off the interface of the polished end surface of the mated connectors and air. Light reflected from the cleaved or polished end of a fiber caused by the difference of refractive indices of air and glass. Expressed in dB relative to incident power.
Protecting your fibre optic assemblies in harsh environments. alker offer four grades of armouring to suit any environment.
Build your custom fibre breakout cables using our simple stepped process.
A dust cap protects the ferrule or adaptor on fibre optic equipment when not in use. Individual and lanyard variants are available.
Buy standard configurations or build your own custom patchcord or pigtail in 5 easy steps online today.
Alker CLEAN ME™ range of fibre optic inspection and cleaning kits use the latest technologies and processes (patent pending).
Variable Optical Attenuators allow you to fine tune the dB loss.
Purchase your bespoke Plastic Optical Fibre patchcord or pigtail in 4 easy steps.
Adaptors allow you to link patchcords together. You can link like-for-like connectors or different ones with a hybrid adaptor.
1U 19" 24 port Fibre Optic Patchpanels populated with LC, FC, SC, ST or E2000 adaptors. Variants are available on request.
PM fibre is available in the following types: Panda, Eliptical and Bow-tie, terminated in Fast, Slow, Custom Axis or Unaligned.
alker.co.uk/store/polarisation-maintaining-fibre-optic-patchcords
Fiibre optic Launch Boxes are used with an OTDR as a known fibre optic length. It is also known as a Delay Box or Dead Zone Eliminator.
Order your custom fibre optic attenuated patchcord in 6 easy steps.
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