| 摘要 |
<p>Multiguide cylindrical optical conductor for a telecommunications cable, including a plurality of optical fibres, each of these fibres being an elementary cylindrical fibre consisting of a core and an optical cladding, the elementary fibres being all linked together by silica following a fibre-drawing operation, characterised in that the said core of the said elementary cylindrical fibre (3) has a diameter of the order of 8 mu m to 10 mu m, in that the said optical cladding has an external diameter lying between 25 mu m and 35 mu m and in that all the cores of the said elementary fibres (3) are either located uniformly along the generatrices of a cylinder of the same axis (13) as the said conductor (10) or are parallel to and coplanar with each other. It is thus possible to obtain an optical conductor of 125 mu m external diameter and containing six guides of which the diameter is of the order of 25 mu m to 35 mu m. <IMAGE></p> |
