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Optoelectronics & Communications

Laser Splicing System

Fujikura Europe

Fujikura Europe introduces the first commercially available glass and processing system, the LZM-100 LAZERMasterTM.

Developed and manufactured by Fujikura's global research and development team, the LZM-100 uses a CO₂ laser heat source to perform splicing, adiabatic tapering, end-capping and other glass-shaping operations. It is also involved with fibre laser component development, such as for pump combiners and mode-field adaptors.

CO₂ laser heating has been designed to enable cleaner splicing with no contamination, electrode or filament maintenance and instability is eliminated. A typical CO₂ laser has an output power fluctuation of +/- 5 percent which produces inconsistent splicing results and may cause irregularity and ripple in a taper profile. The LZM-100 patent-pending laser power stability feature allows stable laser output, enabling highly repeatable processes and very smooth taper profiles. And with an integrated closed-loop feedback system and real-time measurement function, both splice loss and peak-to-peak taper ripple are greatly reduced.

The LZM-100 uses a Warm Tapering Imaging (WTI) monitoring system for precise control of heating power. The WTI brightness level is captured in real time during the tapering and the value is used to adjust the CO₂ laser output power to a level appropriate for the decreasing mass of a fibre as it is tapered to a smaller diameter.

The LAZERMasterTM has specially designed onboard firmware enabling operations to be performed automatically, manually or remotely through a PC. It has large diameter fibre splicing capabilities up to 2.3mm and long tapering capabilities up to 150mm and beam size and shape can be customised to meet specific requirements to enable it to be used for fused glass component development and mass scale production.