Abstract
This paper proposes ultrahigh-density optical fiber cables that use
0.25-mm diameter primary-coated optical fibers with a low-bending loss. These
cables have great advantages in terms of cable weight and diameter and will
be easy to install in a small space in underground ducts and on residential
and business premises. Optical fiber with the optimum low-bending loss is
selected experimentally to obtain optical fiber cables with the maximum fiber
density. 100-, 200-, and 1000-fiber cables were obtained with fiber densities
of over 2.5, 2.7, and 5.0 fibers/mm$^{2}$ and cable diameters of 7.0, 9.6, and 15.8 mm, respectively. The
transmission, mechanical and mid-span access characteristics of these cables
and the fiber jointing characteristics were confirmed to be excellent.
© 2008 IEEE
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