CONNECTORS / TERMINATIONS WITH FIBER GLOSSARY

Aramid Yarn: Yellow fibers that provide cable tensile strength, support and additional protection for the optical fiber bundle. Kevlar? is particular brand of aramid yarn.

Acceptance Angle: The angle over which the core of an optical fiber accepts incoming light; usually measured from the fiber axis. Related to numerical aperture (NA).

All-dielectric cable: Cable made entirely of dielectric (insulating) materials without any metal conductors, armor or strength members.

Angle of Incidence: The angle between the incident ray and the normal to a reflecting or refracting surface.

Attenuation: Reduction of signal magnitude (or loss) normally measured in decibels. Fiber attenuation is normally measured per unit length in decibels per kilometer. The decrease in signal strength along a fiber optic waveguide caused by absorption and scattering. Attenuation is usually expressed in dB/km.

October 22, 2011

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