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Index profile measurements of fibers and their evaluation

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2 Author(s)
D. Marcuse ; Bell Laboratories, Holmdel, NJ ; H. M. Presby

The refractive index distribution in the core of a multimode optical-fiber waveguide plays an important role in determining the transmission properties of the guide. The closer the index profile is to the required ideal distribution, the greater the resulting information carrying capacity of the fiber. This review paper discusses methods for measuring the refractive index distribution in optical fibers and for predicting their impulse response and signal bandwidth from the measured profiles. Some attention is also given to preform and single-mode fiber profiling.

Published in:

Proceedings of the IEEE  (Volume:68 ,  Issue: 6 )