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Measuring optical fibre coatings is simple and quick with the new automated system

01 March 2021

Developed by Arden Photonics in response to customer demand, the FGC-P is a new fully automated system for directly measuring the geometry of optical fibre coatings.

Able to measure fibres with coating diameters from 100 µm to 260 µm, the fast, user friendly system is ideal for producing reliable, accurate measurements in production and R&D environments. 

Parameters that can be measured include coating diameter, coating non-circularity and coating-cladding concentricity in standard telecom fibres as well as in specialty products such as polarisation maintaining (PM) fibres.

Arden Photonics' novel liquid cell enables it to handle thin fibres with dimensions down to 60 µm cladding/100 µm coating, and layer thicknesses as small as 10 µm.

Standard cells are available for fibres with nominal coating thicknesses of 245, 200 and 100 µm coating diameter, while the cell can be modified on customer request to accommodate non-standard coating diameters. 

Fibres can be rotated into up to 36 different positions to ensure accurate measurement of coating concentricity and non-circularity.

The FGC-P is configured to measure dual-layer coatings – useful for many standard and specialty fibres – and is standards compliant, using the side-view reference test method set out in IEC-60793-1-21.


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