Societa Cavi Pirelli S.p.a.

Marco Santini

Giuseppe Bianchi

Pietro Anelli

Laura Gherardi

An optical fiber structure in which there is at least one layer around the fiber signal transmitting core, such layer being formed of, or containing a powder of, a hydrogen gas absorbing metal or metals from Groups III, IV, V or VIII of the periodic table, or alloys or intermetallic compounds of such metals, to absorb hydrogen and for protecting the core with respect to hydrogen absorption. Also, an optical fiber cable comprising at least one optical fiber and a sheath around the optical fiber or fibers. The cable comprises such a gaseous hydrogen absorbing metal or metals, or alloys or intermetallic compounds of such metals, to absorb the hydrogen for such purpose. The metal or metals may be in the form of metal films inside or outside the sheath, in the form of longitudinal wires within the sheath, part of tapes wound around the fiber or fibers or in the form of metal powders dispersed in the sheath or in a filler within the sheath. The cable includes a central elongation resistant wire which may, at least at its surface, be made of such metal or metals.

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Monza, Italy

Marco Santini