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Światłowodowy czujnik przemieszczeń kątowych do rękawicy sensorycznej

Sankowska A., Krysztoforski K., Halusiak Ł., Jopek W.

Elektronika : konstrukcje, technologie, zastosowania

2008

Vol. 49, nr 6

59-62

W pracy przedstawiono światłowodowy czujnik przemieszczeń kątowych m.in. przeznaczony do zastosowań w rękawicy sensorycznej sterującej pracą protezy ludzkiej ręki. Głowice pomiarowe czujnika wykonano z wielomodowego światłowodu polimerowego. W celu zwiększenia czułości pomiarowej głowicy światłowodowej wykonano nacięcia na zewnętrznej powierzchni światłowodu w kierunku prostopadłym do jego osi i zbadano ich wpływ na zmiany mocy optycznej w układzie pomiarowym.

An angular displacement fiber sensor used in remote control of work of artificial hand is proposed and demonstrated. Measurement sensor head was made from multimode polymer optical fiber. With the aim to increase sensitivity of angular displacement sensor grooves were cut on the fiber surface and influence of physical perturbation of fiber on amplitude of transmitted light was investigated.

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.

Development of polymeric optical fibre fabrics as illumination elements and textile displays

Harlin A., Mäkinen M., Vuorivirta A.

Autex Research Journal

2003

Vol. 3, no. 1

1--8

Polymeric optical fibre (POF) is used for simple light guide and illumination applications. The polymer optical fibre materials can be utilised in flexible lighting elements which can be combined with textile structures. The POF woven fabrics are introduced as a flexible alternative to lighting elements. Various light-emitting woven fabric and light emission theories has been discussed. Simple poly-methyl-metacrylate PMMA and polycarbonate PC fibres have been produced experimentally through single-screw and conical extrusion. The fibre is integrated in woven structures by means of handloom, narrow fabric weaving and Jacquard technology. The manufacturing technology suitable for light- emitting textile applications and its opportunities in textile integration is discussed.