Proceedings PaperOptical Cable Design
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Optical cable applications can be divided into four major market segments. These are telecommunication, data, video and military communication. For the majority of the telecommunication, data, and video applications, a loose tube or loose ribbon design can be manufactured without incurring a microbending loss penalty. Fibre performance in the loose tube cables can be maximized by optimizing the lay length, tube dimension and pitch diameter. At present, high quality cables using both single and multimode fibre are being manufactured in volume with no additional microbending loss. For example, single and multimode cables with loss of 0.5 dB/km 1300 nm and very high bandwidths or low dispersion have been successfully installed in many cities. An example of this cable is shown in Figure 1. These cables have been used for direct buried, duct system, aerial or underwater installations.