Air-blown Fiber Optic Cable with SWR and WTC Technologies

摘要

This paper describes a new type of Wrapping Tube Cable (WTC) called Air-blown WTC, which is installed into microduct with blowing technique. Developed cable can be bent in any direction with suitable stiffness in order to improve blowing characteristics. Moreover, the jacket surface has "concavity and convexity" design to reduce the friction coefficient between the jacket and the inner surface of microduct. 200 μm fibers, complying with ITU-T G.657.A1 recommendation are applied to reduce the diameter and cable weight dramatically. In addition, "Spider Web Ribbon" (SWR) with 200μm fibers can be spliced with existing ribbon structures with 250 μm fibers. The mechanical and environmental characteristics of the developed cable were evaluated, and satisfied with criteria of IEC60794-5-10. The paper mainly focuses on the development of Air-blown WTC with 200 μm fibers having applications such as small diameter, light weight, high fiber count, blowing performance, and easy mass fusion splicing.