Tool for cutting acrylic optical fibre - comprises soldering iron with notch for stripping off coating and blade for cutting at different distances from heater for different temps.

摘要

A tool for dressing the ends of plastic optical fibres consists of a soldering iron and a perforated groove. The soldering iron has a polished cutting edge at high temp. to smoothly fuse the fibres and a conical groove at lower temp. to form an annular notch in the protective coating on the fibres; the drop in temp. between these two features is produced by the shape of the tool and by the different distances between the heating coil in the iron and the cutting edge or groove. ADVANTAGE - The tool replaces a mechanical method by a thermal means. It takes only 30 secs. at most to make fibre joins which have an absorption effect of only 2.5 dB, which are perfectly smooth and are little affected by vibrations or pollution.