Tycom (us) Inc.

Chung Shin Ma

Qian Zhong

An undersea telecommunications cable comprises a buffer tube which protects a plurality of optical fibers disposed therein from externally applied forces. To this end, the buffer tube contains a thixotropic, water blocking gel that has a viscosity and a critical yield shear stress sufficient to couple, upon application of a tensile load capable of producing up to a 0.8% strain in the cable, tensile forces from the buffer tube to the optical fibers to thereby induce strain in the fibers that is proportional to that induced in the tube, without preventing the return of the optical fibers to a substantially unstrained condition upon the removal of such tensile load. Should it become necessary to repair a section of the undersea cable as by retrieving it from the sea bed and inserting a spliced segment, existing sections of the fiber will be sufficiently protected from any damage which might otherwise have been caused during the cable retreival and recovery operation.

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Morganville, NJ, United States of America

Chung Shin Ma