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19. March 2018

M-Fibre – Innovative side light fibre for product-integrated light solutions

MENTOR Linienlicht

MENTOR, one of the leading specialists in product-integrated LED light, is extending its technology range for customised light solutions with the addition of M-Fibre, a new side light fibre system. M-Fibre system consists of the actual fibre, compact yet highly efficient LED-modules and the matching drivers. MENTOR offers the M-Fibre system’s individual components on stock or as customosised applications, which will be designed and manufactured according to the customer’s specific requirements. The standard range includes different fibres for different lengths of illumination (250 mm to 3,000 mm). Up to an illuminated length of 1500 mm only one LED module is required, for greater lengths we recommend the application of two modules.


In terms of performance, the customers may choose between two options, as well as either a White or RGB-LED module. Inside the LED module a precision optic ensures a perfect mixing of the designated colour, as well as enabling premium light quality and greatest efficiency thanks to focussing the light beams in an ideal way. The fibres used for the M-Fibre are thin, flexible and allow small bend radii – all the while effectively providing homogenous luminance without visible colour deviations with a radiation angle of 360°. To ensure this, Polymer optical fibres (POFs in short) made of PMMA are activated by supplying them with a light-dispersing surface structure. Afterwards the fibres are bundled and coated with a diffused cover.

Depending on the application, the fibres can be activated across the entire length or only partially. With partial activation, only specific areas of the side light fibre are lit up in a targeted and loss-optimised manner. This prevents undesired scattered light and optimises the efficiency of the integrated lighting system. With this technology, multi-coloured applications and running lights or similar dynamic lighting scenarios are also possible. In connection with single or multi-coloured LED modules for one or two-sided lighting, M-Fibre allows for lighting solutions that are optimised to the installation space and can be installed flexibly over a length of several metres.

Unlike other POF solutions available on the market, M-Fibre is not available as rolled goods or standard solutions, but is a lighting system in which all individual components are optimally tailored to the respective customer requirements. In addition to the system’s high flexibility and outstanding light quality, other advantages of the new, largely tool-free technology, are the low initial costs and short development times. The new side light fibre gives product designers and developers multiple ways of achieving functional yet decorative linear lighting or indirect ambient lighting. Integration in freeform surfaces is also easily possible. Through the spatial separation of the light source and the light emitting surface, M-Fibre can also be used under water, in explosion protection areas and in the food industry.

The fields of application for high-quality, product-integrated light of this kind are wide-ranging. The automotive, Smart Clothing / Smart Luggage and mechanical engineering sectors, building services engineering, residential and office furniture or domestic appliances and safety technology are just a few examples.


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