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Manufacturing methods for multi step index plastic optical fiber materials

Ferenets M., Myllymäki H., Grahn K., Sipilä A., Harlin A.

Autex Research Journal

2004

Vol. 4, no. 4

163--173

Plastic optical fibres (POF) are often used in telecommunication, consumer electronics and automotive applications. Measuring and control devices used for POF are already standardised procedures. To meet the requirements of the IEEE 1394 standard for data transfer rates up to 800Mbps requires increasingly improved performance of POF. POFs which offer high bandwidth, total electromagnetic immunity and simple handling are considered as an alternative to noisy copper cables (cat 5) and high performance glass optic fibres for of a data highway. The market requires a simple and inexpensive alternative that would not be a technical overkill. The target of the study carried out in the Institute of Fibre Materials Science at Tampere University of Technology was to evaluate manufacturing methods which would allow this. This is a summary article of the results of manufacturing step index and multi-step index POF by preform manufacturing followed by fibre drawing as well as the extrusion method.

Polymeric optical fibres and future prospects in textile integration

Harlin A., Myllymäki H., Grahn K.

Autex Research Journal

2002

Vol. 2, no. 3

132--143

In the era of wearable computing, intelligent systems are breaking the bounds of traditional textiles and their design. The integration of the technologies with clothing, accessories, upholstery, or industrial technical textiles provides higher user-comfort and enables their seamless use in everyday activities. Polymer optical fibre materials are suitable for short-distance data transfer and can be combined with textile structures. The manufacture of the fibre is low cost, and the products are more durable than glass optic fibres. Applications for POF today are known in the automotive industry, consumer electronics, cabling, and measuring as optodes. Polymeric optical fibre (POF) made of PMMA has been on the market for the past 25 years, used for simple light guide and data transmission application. Perfluor polymers (PF) offer great new opportunities in the field of data communication because of low absorption losses. Optical polycarbonate (PC), and polystyrene (PS) are used for special applications. The POF materials are introduced, and their opportunities in textile integration are discussed.