Optical telecommunication element.

摘要

An optical telecommunication element comprising one or more undulated optical fibres in which the or each fibre (37) extends along a sheath (39), said fibre (37) being in the form of a helix or quasi-helix which has an alternate left-hand and right-hand pitch and wherein the fibres 37 (or fibres) is fixed on the inner wall of the sheath (39) at points (38) of pitch reversal, the points of fixture of the fibres preferably being by glued joints.