
Chapter 17
Multimode, Large-Core, and
Plastic Clad (PCS) Fibers
Bolesh J. Skutnik and Cheryl A. Smith
Ceram Optec Industries, Inc., East Longmeadow, Massachusetts
17.1 INTRODUCTION
After years of playing ensemble roles, large-core multimode fiber has stepped
into the spotlight of fiber optic technology and innovation. From the smallest of
veins in the human body, to the vastness of the universe, when the need for every
photon matters, the advantages of large-core (>200 micron) multimode specialty
fibers are taking the lead. As the name implies, multimode fibers are those types
of fibers designed to carry multiple rays of light or modes. There are two