Telecommunications

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Optical fibres are very fine, flexible glass threads, which are transparent, circular in their cross section, and have many fields of application, especially in telecommunications but also in medicine, astronomy and even furnishings. They consist of a central part called the core, and an external coat called the cladding that is made from silica (SiO2), which is the main constituent of standard glass.

UV technology is an essential element in the ultra-high speed production of fibre optics. As they are very fine they require an external polymer coating before they can be reprocessed and used. This ensures flexibility, stress resistance and, above all, insulation between each fibre so they can send clear signals with no interference.

A further contribution from UV technology to this area of application comes from the use of UV inks, used for colour coding, for marking and identifying the finished optical fibre. Due to their resistance to wear, UV inks have good durability and are not degraded through the cabling gels used during the production of optical fibre cables.

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