Fibre optic assembly measuring capabilities launched

18th May 2021

Alex Lynn

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With a vast range of measuring equipment, LASER COMPONENTS’ fibre optic assemblies, manufactured in house, meet customer requirements and fulfil its own high-quality standards. For 25 years, LASER COMPONENTS has consistently invested in the continuous expansion of its measurement capabilities.

Centricity measurement

During centricity measurement, the fibre core may deviate a maximum of 10µm from the centre point of the connector. Upon request, LASER COMPONENTS also guarantees a maximum deviation of only 5µm. A high centricity ensures that cladding modes do not occur at the connector because that could lead to the fibre burning up.

End face inspection

All fibre end faces are inspected using a digital microscope before the goods are issued and shipped. LASER COMPONENTS uses the ISO standard 10110 from laser optics production, which have been adapted to the dimensions of the fibres. This inspection is particularly important because at high optical power, even the tiniest defects can destroy a fibre.

Testing the NA

The preservation of the numerical aperture can be checked at a specially developed measuring station. This makes it possible to determine how much the beam profile changes due to transmission in the fibre. The measurement ensures that at least 95% of the outgoing light has the same beam parameters as the injected beam.

Stress test

For laser power measurement, powerful diode lasers are used to create conditions similar to those found in industrial applications. In this way, the manufacturer can test whether losses occur during transmission and whether the assemblies can withstand high stress over a long period of time.

“Quality is not just a promise for LASER COMPONENTS,” said Production Manager Dr Stefan Hanf. “Our extensive measurement capabilities allow us to document for customers that the assemblies meet their expectations.”